Google and Yahoo's 2024 email authentication requirements: A new era of security

Google and Yahoo's 2024 email authentication requirements: A new era of security

Greeting of the new year!


Starting February 2024, Gmail and Yahoo Mail are rolling out stringent email authentication requirements to combat malicious messages, reduce inbox clutter, thwart phishing attacks, diminish spam, and bolster data security.

Here are the basic protocols all email senders are required to follow:

 

Implement email authentication

Implement SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) protocols to prevent domain spoofing, a tactic often exploited by cybercriminals. SPF is a framework that allows email administrators to specify which mail servers are authorized to send emails on behalf of a particular domain.

DKIM adds a digital signature to an email message, ensuring that it has not been tampered with during transit. Both SPF and DKIM help make sure emails are genuine and haven't been tampered with, which is important for email security and trust.  

Maintain  low spam rates   

Google mandates the senders to maintain a spam rate below 0.3% (as measured by Google's postmaster tools) to ensure that your emails don't get flagged as unwanted or fraudulent. While Yahoo hasn't explicitly suggested a number, 0.3% is a safe bet to avoid getting flagged.

READ - Staying out of trouble in 2024: A look at email marketing laws and compliance 

You can ensure low spam rates by following basic steps like enabling double opt-in, verifying email lists, and cleaning up old/inactive email addresses, among others.

At Zoho Campaigns, we already have a spam threshold of 0.1%, which adheres to the new guidelines Google and Yahoo are establishing.

 For high-volume senders (> 5,000 messages/day)  

In addition to implementing SPF and DKIM, high volume senders are required to implement to DMARC policy and conform to DMARC alignment.

  • DMARC policy

Implement DMARC (Domain-based Message Authentication, Reporting, and Conformance) to provide domain-level protection against email spoofing techniques used in phishing and other attacks. DMARC builds upon SPF and DKIM and allows businesses to publish policies that provide instructions to mailbox providers' recipient servers on how to handle unauthenticated emails sent from their domain.

  • DMARC alignment 

Ensure that messages pass DMARC alignment, which checks whether the sending domain's authentication methods (SPF and DKIM) align with the domains used in the email headers. This is the Return-Path value within email headers.

SPF, DKIM, and DMARC are already handled within in order to send email campaigns in Zoho Campaigns.

  •  One-click unsubscribe    

Google suggests implementing a convenient one-click unsubscription feature for users. This single-click process is aimed at allowing Gmail recipients to easily unsubscribe from emails sent by large senders. Additionally, Google recommends that senders promptly process unsubscription requests within a two-day timeframe.

 


Zoho Campaigns and Zoho Marketing Automation are already in compliance with this recommendation. In our system, we include a one-click unsubscribe link in the header of every email. Users can effortlessly click on the unsubscribe link located next to the sender's address to unsubscribe from the organization promptly. In addition to that, the user can also place the unsubscribe link in the email content.

 

Gmail address as from address

This pertains to cases when the sender's email address for emails sent from Zoho Campaigns is a Gmail address.

What is the change?
Gmail will begin using a DMARC quarantine enforcement policy. DMARC allows domain owners to specify policies that instruct receiving email servers on how to handle messages that fail DMARC authentication.

What is the Impact?
This implies that emails sent with "gmail.com" as the sender (or from) domain will be quarantined by the recipient servers.

To prevent delivery issues and potential IP reputation damage, emails with a sender domain of "gmail.com" will not be triggered from Zoho Campaigns after February 1.

Please be aware that this limitation is specific to when gmail.com and googlemail.com is the sender domain. If you have a custom domain, such as zylker.com, hosted on Google Mailbox, then it will not be impacted by the new sender email limitation.

What is the resolution?
To resolve this situation, we encourage users to use their authorized business domain address as sender address, not a gmail address. In case you don't own a domain, you can purchase one from Zoho domains.


  • If you have created any email campaign using the Gmail address as the sender address, you'll not be able to send campaigns.

  • Scheduled campaign will be moved to the draft state after Feb 1

  • Campaigns that are in Draft state cannot be sent until the sender address is changed to a business specific email address.

  • W.r.t Workflows, we will not stop any workflows. We recommend users edit and change the sender address in case if you have used gmail address.

 

 What happens if you miss the deadline? 

Your emails may not be delivered to Gmail and Yahoo accounts. This in turn will impact your business, your ability to communicate with customers, and potentially affect customer engagement. We, at Zoho Campaigns, are already aligned with the new guidelines to ensure a seamless experience for our users. If you have any questions or concerns regarding these changes, please reach out to our support team at support@zohocampaigns.com.

 


    Access your files securely from anywhere


          All-in-one knowledge management and training platform for your employees and customers.






                                Zoho Developer Community




                                                      • Desk Community Learning Series


                                                      • Digest


                                                      • Functions


                                                      • Meetups


                                                      • Kbase


                                                      • Resources


                                                      • Glossary


                                                      • Desk Marketplace


                                                      • MVP Corner


                                                      • Word of the Day


                                                      • Ask the Experts



                                                                • Sticky Posts

                                                                • Marketer's Space: Proven tips to improve open rates – Part II

                                                                  Hello Marketers! Welcome back to another post in Marketer's Space! We're continuing from where we left off a fortnight ago. We ended the previous post discussing the subject line, and we'll continue from there. Let's dive right in. Pre-header Pre-header
                                                                • Tip of the week 03 - Sending emails in batches

                                                                  Today's marketers not only want their email marketing to be efficient, but also smart. For an email campaign, you may think you have all the essential elements for lead conversion—a big mailing list, an attractive template design, and the most-engaging message content, but after hitting the ‘send’ button, you may not get the expected conversions. Wondering why? Here’s one of the major reasons. Many marketers miss out on sending the email campaign the right way. Did you know that you should not be
                                                                • Tip of the week 04 - Know about your recipients' 'prime open time.'

                                                                  In today's market, the importance of customer behavior is astounding, with a vast amount of research and resources going into finding how customers make decisions. The process of persuading your customers to open your email and click on your call-to-action becomes easy when you understand the psychology behind their behavioral traits. Time to turn into a psychologist! Let's get to the basics—you want your emails to resonate well with your recipients. So, what's the primary thing involved here? It's
                                                                • Zoho Campaigns Expert Diaries on SoundCloud, Spotify, Apple Podcasts, and YouTube

                                                                  Hi email champs,  As email marketers, we find great lessons in each other's works—be it the subject lines that worked good, the design that was received well, or the CTA that had the maximum clicks. Email marketing encompasses a wide variety of topics spanning everything from creation and design to development and deliverability.  Here's when we from the Zoho Campaigns team found the need to build an email marketing community comprising of seasoned marketers and email geeks who can help each other
                                                                • Email Deliverability Tip #3: Seal the deal with the preheader

                                                                  In the last post, we learned about the subject line. Today we'll be learning about the preheader. A preheader is the short text that follows the subject line in an email. The preheader is designed to hint at what your email message is all about. A good preheader should act as a second subject line and convince your contacts to open the email. Now, let's learn the best way to craft a preheader. Your subject line and preheader should work together and accurately convey the gist of your email. Keep


                                                                Manage your brands on social media



                                                                      Zoho TeamInbox Resources



                                                                          Zoho CRM Plus Resources

                                                                            Zoho Books Resources


                                                                              Zoho Subscriptions Resources

                                                                                Zoho Projects Resources


                                                                                  Zoho Sprints Resources


                                                                                    Qntrl Resources


                                                                                      Zoho Creator Resources



                                                                                          Zoho CRM Resources

                                                                                          • CRM Community Learning Series

                                                                                            CRM Community Learning Series


                                                                                          • Kaizen

                                                                                            Kaizen

                                                                                          • Functions

                                                                                            Functions

                                                                                          • Meetups

                                                                                            Meetups

                                                                                          • Kbase

                                                                                            Kbase

                                                                                          • Resources

                                                                                            Resources

                                                                                          • Digest

                                                                                            Digest

                                                                                          • CRM Marketplace

                                                                                            CRM Marketplace

                                                                                          • MVP Corner

                                                                                            MVP Corner









                                                                                              Design. Discuss. Deliver.

                                                                                              Create visually engaging stories with Zoho Show.

                                                                                              Get Started Now


                                                                                                Zoho Show Resources

                                                                                                  Zoho Writer

                                                                                                  Get Started. Write Away!

                                                                                                  Writer is a powerful online word processor, designed for collaborative work.

                                                                                                    Zoho CRM コンテンツ





                                                                                                      Nederlandse Hulpbronnen


                                                                                                          ご検討中の方





                                                                                                                    • Recent Topics

                                                                                                                    • Admin-Side Calendar Delegation from the Admin Console (Parity with Zoho Mail Mailbox Delegation)

                                                                                                                      Summary Zoho Mail already lets organization admins delegate a user's mailbox to another user directly from the Admin Console — no approval from the mailbox owner required (Users > select user > Mail Settings > Delegated to > + Add). Zoho Calendar has
                                                                                                                    • Desk Contact Name > split to First and Last name

                                                                                                                      I am new to Zoho and while setting up the Desk and Help Center, I saw that new tickets created or submitted from the Help Center used the Contact Name field. This would create a new Contact but put the person's name in the Last Name field only. The First
                                                                                                                    • Cliq iOS can't see shared screen

                                                                                                                      Hello, I had this morning a video call with a colleague. She is using Cliq Desktop MacOS and wanted to share her screen with me. I'm on iPad. I noticed, while she shared her screen, I could only see her video, but not the shared screen... Does Cliq iOS is able to display shared screen, or is it somewhere else to be found ? Regards
                                                                                                                    • How use .PK12 certifcate for sign

                                                                                                                      Hello! Is it possible to use my personal digital certificate (as a COMMODO .pk12) to sign documents? Thank you
                                                                                                                    • Restrict Zoho Cliq Webinars and Announcements to Admins Only

                                                                                                                      Hi Zoho Team, We hope you're doing well. We would like to raise a feature request regarding in-app announcements in Zoho Cliq, such as the recent webinar popup about the Cliq Developer Platform: While these announcements are useful, they are not always
                                                                                                                    • Blueprint - Mandatory file upload field

                                                                                                                      Hi, File upload (as we as image upload) field cannot be set as mandatory during a blueprint transition. Is there a workaround? Setting attachments as mandatory doesn't solve this need as we have no control over which attachments are added, nor can we
                                                                                                                    • Completed Calls don't associate with Scheduled Calls

                                                                                                                      I schedule calls at specific times so that they are easily viewable on my phone. I open a given call on my phone and use the call icon at the bottom of the screen. I complete the call and select "yes" when asked if I want to log the call. I enter the
                                                                                                                    • Number of decimal places

                                                                                                                      Hi Latha, I have added the following three fields to the Company module. Currently, these fields only allow a maximum of 2 decimal places. However, for some of our requirements, we need to enter values with up to 10 decimal places. Could you please help
                                                                                                                    • Integrations of freelancing websites

                                                                                                                      It is a customized effort which we require to be implemented on our Zoho recruit. We want that Upwork and Freelancer and other such freelancing websites get integrated into our Zoho Recruit, so that, any communication which we do with the candidates from those websites gets directly recorded on our Zoho recruit and we don't have to move back and forth by opening any other application other than Zoho. If this can be done, we think of managing the entire communication through Zoho recruit and use it
                                                                                                                    • Workflow Preventing others from editing

                                                                                                                      Using workflows in WorkDrive to implement a document review process has been extremely helpful in my organization. The only problem is that other users who have access to the document via standard document sharing rules are unable to edit the document.
                                                                                                                    • Zoho CRM Layout Rules: Nine New Actions, Profile-Based Execution, and Interactive Preview

                                                                                                                      Hello everyone, Availability: This feature is now available for customers in the JP and SA DCs. It is planned to be released for other customers in soon. We’re excited to announce powerful new enhancements to Layout Rules in Zoho CRM - a feature built
                                                                                                                    • Zia AI capabilities now available in all paid editions

                                                                                                                      Hello everyone, We are expanding the availability of AI-powered features in Desk to the other paid subscriptions from 7th July 2026. Right now, the following AI-based features are available for Enterprise edition users: Intelligence: Sentiment analysis,
                                                                                                                    • MCP > Creator connection failing with Claude

                                                                                                                      I'm trying to get claude to access any of my Zoho Creator apps and it keeps failing. I have enabled all tools for creator and ensured in claude settings that everything is authorised. Here is what claude says : Unfortunately, the error messages I'm receiving
                                                                                                                    • Zoho Analytics UI Bug

                                                                                                                      Hello, all, The Aggregate Formulas in Zoho Analytics' list of fields have a 3-dot menu: If the formula has a long name, the name is not fully visible in the list, and a 3-dot menu is not accessible from it: This is not convenient, especially when the
                                                                                                                    • Poor Zoho Support

                                                                                                                      Been trying to reach support via telephone and email. The support has always been slow to respond but now its been two weeks without a return call. I have even sent them screen shots of the problem I've having with no results. Is anyone had the same problem.
                                                                                                                    • Help me recover my account

                                                                                                                      business@heymods.mobi is an account I registered two years ago. My domain is no longer valid, and I cannot access the admin page. I also subscribed to a $12 service, but I cannot configure the domain. Please help me set xunmeng.app@gmail.com as the admin,
                                                                                                                    • I cannot receive emails

                                                                                                                      I cannot receive email sent to my personal email account. I can send them but not receive them. I don't have a domain. Zoho direct email. Please help
                                                                                                                    • What's New in Zoho Inventory | June 2026

                                                                                                                      Hello users, June 2026 introduces a range of exciting enhancements to Zoho Inventory. With the full rollout of the Zoho Inventory Windows application, the launch of Terminal Payments, and new tracking combinations in Advanced Inventory Tracking, you can
                                                                                                                    • I don't have access to my signup email.

                                                                                                                      Hi, I don't have access to my signup email. I signed up while using the Loveabe app. I don't have access to the app that I built with the email ramonsepulveda@dreamgiftsfinder.com. Please help me cancel my account with you through that email.
                                                                                                                    • Update on default settings for AI features in Cliq

                                                                                                                      Hello all, We'd like to provide clarity on a recent change to AI feature defaults in Cliq. As part of our regular review of AI features conducted in April 2026, we re-evaluated how these features are enabled by default. We've decided that the AI features
                                                                                                                    • Zoho CRM custom button function, how to add line breaks/ new lines in the return message

                                                                                                                      When creating button function in CRM it requires a `return "";` Then when the button is client by the user a message pops up with what ever is returned from the function. But I want to have a message with multiple lines, meaning I need to add a line break
                                                                                                                    • Email not Received

                                                                                                                      No email has been recieved except welcome email and one more email in 2025.
                                                                                                                    • i cant renew my domain bfftube.cloudns.cc

                                                                                                                      i cant renew my domain bfftube.cloudns.cc because its a free subdomain from cloudns and you cant renew it its always active can some fix this becasue again there is no way to renew it becasue its free subdomain and again its always active
                                                                                                                    • Custom Button Creation from Layout Editor in Zoho CRM

                                                                                                                      Hello All, Buttons in Zoho CRM act as triggers that perform a specific action when clicked. Zoho CRM includes a set of system buttons that help you carry out common actions with a single click. Beyond these, your organization can create custom buttons
                                                                                                                    • Mise à jour de Zoho Books – France

                                                                                                                      Chers clients, Merci pour votre patience et votre soutien continu. Avec les évolutions réglementaires à venir en France nous introduisons de nouvelles fonctionnalités dans Zoho Books pour les clients français. Ces mises à jour ont été conçues pour répondre
                                                                                                                    • How to Switch from Outlook for Mac to Outlook for Windows

                                                                                                                      The most often used file formats for users to manage crucial data are OLM and PST files. PST files keep a copy of data on the configured system from Outlook, while the OLM file contains the Mac Outlook data items, which are only accessible with Outlook
                                                                                                                    • Different languages for users

                                                                                                                      Hello, Do you plan to enable individual users to select their languages for interface? Currently language can be changed for everyone - it looks like a settings for a whole portal, which is not good when you are working internationally. Best regards,
                                                                                                                    • Issues migrating Google email

                                                                                                                      I am considering Zoho because Google will start charging for G Suite legacy free edition.    So, a key element in my decision is the ability to migrate as much from Google as possible.  I am giving email a try first, but after hours of trying, I can't
                                                                                                                    • "Print" option of GET Expense Report API not working

                                                                                                                      Hello! I have been trying to use the "print" option of the GET Expense Report API but it seems the option does not alter the output. Is there an issue with the API or am I using it wrong? Here's my request code, in Deluge: response = invokeurl [ url :"https://www.zohoapis.com/expense/v1/expensereports/"
                                                                                                                    • Related List Expanded View in Zoho CRM: see more related records at a glance, filter and take bulk actions

                                                                                                                      Hello everyone! Related lists show you the records connected to what you're working on: contacts under an account, activities tied to a deal, products linked to a quote. But until now, you could only see 10 records at a time. If you needed to filter results
                                                                                                                    • Add Comprehensive Accessibility Features to Zoho Writer

                                                                                                                      Hello Zoho Writer Team, We hope you are doing well. We would like to submit a feature request to enhance Zoho Writer with a full set of accessibility tools, similar to the accessibility options already available in the Zoho Desk agent interface. 🚧 Current
                                                                                                                    • How to automatically update a % field according to a dropdown field in the Quote table

                                                                                                                      Hello there, I have following couples: Success % Status 0% NP 30% No Feedback 50% PR 80% Opp. Concreta 100% A I would like the Success % field (percent) to automatically update based on the item of the Status field (dropdown). The fields are within the
                                                                                                                    • CRM iOS App Missing Tags support

                                                                                                                      Hi, I remember reading either a tread on iOS (Maybe Later) & Android (i believe Now Supported) regarding “Tags” in the mobile apps unfortunately I can’t seem to find either. Could we clarify are “Tags” support coming to CRM iOS app as searching the forums
                                                                                                                    • Marketing Tip #41: Add a clear value proposition to your homepage

                                                                                                                      When someone lands on your homepage, they should understand what you sell and why it is worth exploring within 5 seconds. If your homepage is too vague, cluttered, or focused only on design, visitors may leave before they even start browsing. A strong
                                                                                                                    • Zoho Writer adds conditional logic and AI assistance to formulas: A step toward dynamic document automation

                                                                                                                      Hi users, We are excited to announce new formula enhancements in Zoho Writer. This includes: New string formulas: Use 12 new string functions to dynamically transform and manipulate text in documents and automation templates. Conditional formulas: Configure
                                                                                                                    • What's New in Zoho Billing | June 2026

                                                                                                                      Hello users! June brings a new set of updates to Zoho Billing designed to strengthen how you manage subscriptions, customise your records, and handle expense documentation. This month's highlights include a new one-time addon quoting workflow for subscriptions,
                                                                                                                    • [Zoho Writer webinar] Driving productivity through document automation

                                                                                                                      Live webinar on July 9, 2026 | Time: 2 PM IST | 2 PM EST Hi Zoho Writer users, Creating, reviewing, approving, and distributing business documents manually can slow teams down and introduce errors. Join our live webinar to learn how Zoho Writer helps
                                                                                                                    • Free Webinar Alert! Zoho Workplace + Zoho Billing: Align Rev-ops and collaboration for greater efficiency

                                                                                                                      Hello Zoho Community! Want to make your billing process more connected and efficient? Join our upcoming webinar to see how Zoho Workplace and Zoho Billing work together to streamline your day-to-day operations. In this session, we'll show you how to manage
                                                                                                                    • Canvas View: Add font family selection (incl. Google Fonts / Hebrew & RTL fonts)

                                                                                                                      Hi Zoho CRM team, The Canvas design suite (List View, Tile View, Table View and Record Detail) currently allows customizing font weight, size, color, alignment and case - but there is no option to choose the font family. All text is rendered in the built-in
                                                                                                                    • Introducing Spotlight Forms

                                                                                                                      Hey form builders! If someone opens your form, sees the wall of fields ahead, and quietly closes the tab. It may not be because the questions were hard. It could be because the experience felt like too much. Which is why we have now introduced a new form
                                                                                                                    • Next Page