ERROR CODE :550 - 550 5.1.1 Invalid email recipients

• Topic Participants

• Ahmed

• Sticky Posts

• Pocket from Mozilla is closing shop. Don’t lose your favorites . Move them to Zoho Mail Bookmarks now! 📥🔖

  The end of Pocket shouldn't mean the end of your important links and content. Easily import them into Zoho Mail's Bookmarks and continue right where you left off. You can bring over your entire Saves, Collections, and tags just the way they are. Bookmarks

• Zoho Mail POP & IMAP Server Details

  Hello all! We have been receiving a number of requests regarding the errors while configuring or using Zoho Mail account in POP/ IMAP clients. The server details vary based on your account type and the Datacenter in which your account is setup. Ensure

• Workplace - Zoholics Europe Customer Awards

  Dear Zoho Mail Community! 📣 We're excited to announce that at this year's Zoholics events across Europe, we're holding customer awards for the first time ever! Workplace - Zoholics Europe Customer Awards This is your chance to shout about the amazing

• Important update on Group Management | Zoho Mail

  Dear Zoho Mail Community, This post is to inform you all of the following updates on the Group Management in Zoho Mail. Group Member Addition: If a group member is added to an organization group in a Zoho Application, the member will be automatically

• Mastering email etiquette and best practices to follow in Zoho Mail

  Hello Zoho Mail Community, We’re thrilled to invite you all to our upcoming webinar: Mastering email etiquette and best practices to follow in Zoho Mail. Join our live webinar for expert etiquette tips to enhance your professionalism and elevate your

• Recent Topics

• I have the item field and Quantity field in the sub form , on the submit of the form if the quantity is grater than inventory means show alert on submit validation only for item type goods ,

  I have the item field and Quantity field in the sub form , on the submit of the form if the quantity is grater than inventory means show alert on submit validation . Stock Check Validation only for item type goods , not for item type service . For the

• IMAP stopped working after enabling 2 factor authentication

  IMAP stopped working after enabling 2 factor authentication. Is there any solution for this?

• Rename Service Report

  Some of our customers are requesting the name of the service report PDF to be in a specific format, for example, instead of REP-001.PDF some are requesting to include their name like customername.pdf. is that possible?

• Approvals in Zoho Creator

  Hi, This is Surya, in one of  my creator application I have a form called job posting, and I created an approval process for that form. When a user submits that form the record directly adding to that form's report, even it is in the review for approval.

• Outgoing emails rejected due to SpamCop RBL listing (IP 136.143.188.12)

  Hi All, I am writing to report a deliverability issue affecting outgoing emails from my Zoho Mail account. Recently, several messages sent from my domain (example.com) to external recipients have been rejected with the following error message (redacted

• Introducing Workqueue: your all-in-one view to manage daily work

  Hello all, We’re excited to introduce a major productivity boost to your CRM experience: Workqueue, a dynamic, all-in-one workspace that brings every important sales activity, approval, and follow-up right to your fingertips. What is Workqueue? Sales

• Zoho CRM for Everyone's NextGen UI Gets an Upgrade

  Hello Everyone We've made improvements to Zoho CRM for Everyone's Nextgen UI. These changes are the result of valuable feedback from you where we’ve focused on improving usability, providing wider screen space, and making navigation smoother so everything

• Inclusion is the new engagement

  When in a very challenging situation, you may have peers or friends around you saying, “Everything will be okay.” They speak to you in a way that they are connected or in a language or tone that feels close. But your inner voice comes to you in a truly

• What's new in Zoho Sheet: Simplify data entry and collaboration

  Hello, Zoho Sheet community! Last year, our team was focused on research and development so we could deliver updates that enhance your spreadsheet experience. This year, we’re excited to deliver those enhancements—but we'll be rolling them out incrementally

• Windows Desktop App - request to add minimization/startup options

  Support Team, Can you submit the following request to your development team? Here is what would be optimal in my opinion from UX perspective: 1) In the "Application Menu", add a menu item to Exit the app, as well as an alt-key shortcut for these menus

• Share Record Ownership in Zoho Recruit

  We’re introducing User Fields in Zoho Recruit designed to make collaboration easier when multiple team members need to work on the same record. With User Fields, you can extend record ownership beyond a single user and enable smoother teamwork across

• Recherche d'un développeur

  Bonjour, j'ai un projet de SAAS sur une base de zoho créator et zoho CRM et je recherche un développeur qualifié français pour créer l'application créator (fonctionnel et graphique) et les workflow et blueprint de CRM

• Display actual mileage on an invoice

  My users are creating expenses in Zoho expense. For example, they expense 10 miles and get paid 7 dollars (10 miles * IRS rate of .70). If I look at the expenses in Zoho Books, it does show them at 10 miles at .70 cent When I add these expense to an invoice

• Customer Parent Account or Sub-Customer Account

  Some of clients as they have 50 to 300 branches, they required separate account statement with outlet name and number; which means we have to open new account for each branch individually. However, the main issue is that, when they make a payment, they

• Zoho Desk domain Mapping not Working Showing CNAME Error

  I have created the subdomain and created the Cname as well as its instracted on the Zoho website  but when i try add the domain on help desk its showing error msg : Make sure you've mapped the CNAME entry and linked it to desk.cs.zohohost.com.au on your

• Cloning a Pick List

  I have an existing Pick List in my Contacts that I want to drop into my Leads.  Is there a way to copy or clone the field with it's accompanying Pick List?  Thanks for your time.

• How do I link my invoice to an estimate?

  There has been instances where I have created estimates, however, invoices for the same estimate were created independently. The status of these estimates hasn't converted to 'invoiced'. 

• I wish to upload 40000 Resumes in Zoho Recruit Database. Can I do this in batch of 1000 Resumes ?

  I would like to upload thousand or few hundred of resumes in Zoho Recruit in one go. Please let me know how can I do this Or migrate my 40000 resumes from previous ATS to Zoho Recruit.

• Zoho Writer for Proposals

  Hi, one of the things we've struggled with since moving to Zoho ecosystem is our proposal software Qwilr does not integrate well. It surprises me Zoho doesn't have proposal software but given all the capabilities of Zoho Writer, I'm wonder if anyone is

• Custom Fonts in Zoho CRM Template Builder

  Hi, I am currently creating a new template for our quotes using the Zoho CRM template builder. However, I noticed that there is no option to add custom fonts to the template builder. It would greatly enhance the flexibility and branding capabilities if

• How do I edit the Calendar Invite notifications for Interviews in Recruit?

  I'm setting up the Zoho Recruit Interview Calendar system but there's some notifications I don't have any control over. I've turned off all Workflows and Automations related to the Calendar Scheduling and it seems that it's the notification that is sent

• Foutmelding bij uitvoering/opslaan functie 'Left expression is of type TEXT and right expression is of type NUMBER'

  Hoi! Ik heb een workflow (zie bijlage) die wordt getriggerd zodra de verwachte weekomzet van een bedrijf wordt aangepast naar een bedrag hoger dan 0. Op dat moment moet een functie (zie bijlage) gaan berekenen wat het benodigde kredietlimiet moet zijn.

• Enable Free External Collaboration on Notecards in Zoho Notebook

  Hi Zoho Notebook Team, I would like to suggest a feature enhancement regarding external collaboration in Zoho Notebook. Currently, we can share notes with external users, and they are able to view the content without any issue. However, when these external

• Hoe kun je Nederlandse loonstroken boek in Zoho Books?

  Beste Community, Heeft er iemand een idee hoe je standaard loonstroken kunt inboeken in Zoho Books? Ik ben benieuwd hoe jullie dit doen en wat de mogelijkheden zijn.

• Unable to Filter Retail Sales Orders & Need Paid/Unpaid Filter – Zoho Books

  Hi Zoho Team, Recently you introduced Retail – Standard and Retail – Premium templates for Sales Orders. However, in the Sales Order module we still cannot filter or segregate Retail Sales Orders separately from normal B2B sales orders. Because of this,

• Service op locatie organiseren met Zoho FSM: waar lopen organisaties tegenaan?

  Bij organisaties met service teams op locatie merken we vaak dat de complexiteit niet zozeer in de planning zelf zit, maar in wat er rond die planning gebeurt. Denk aan opvolging na interventies, consistente servicerapporten, en het bijhouden van installaties

• Possible to delete the "Big Deal Alert" in Zoho CRM?

  Hi, Is it possible to delete the "Big Deal Alert" in Zoho CRM? My company has no need for it and I want to remove it to clean up my email templates list. Thank you.

• Users may not pick the fields to be shown as columns in the Choose Account window when creating a new Deal record

  Hi there, by talking with other users I found out that I, as an Admin, am the only one who can pick fields to be shown as columns in the Choose Account window when creating a new Deal record. In fact, if other users click on the "Add Column" symbol on

• Allow selection of select inactive users in User data fields

  Hello, We sometimes need to select a previous employee that has an inactive account in the User data field. For example, when doing database cleanup and indicating actions are done by a certain employee that weren't filled out when they were part of the

• [Webinar] Top 10 Most Used Zoho Analytics Features in 2025

  Zoho Analytics has evolved significantly over the past year. Discover the most widely adopted features in Zoho Analytics in 2025, based on real customer usage patterns, best practices, and high-impact use cases. Learn how leading teams are turning data

• ZOHO.CRM.UI.Record.open not working properly

  I have a Zoho CRM Widget and in it I have a block where it will open the blocks Meeting like below block.addEventListener("click", () => { ZOHO.CRM.UI.Record.open({ Entity: "Events", RecordID: meeting.id }).catch(err => { console.error("Open record failed:",

• Zoho Desk Partners with Microsoft's M365 Copilot for seamless customer service experiences

  Hello Zoho Desk users, We are happy to announce that Zoho Desk has partnered with Microsoft's M365 to empower customer service teams with enhanced capabilities and seamless experiences for agents. Microsoft announced their partnership during their keynote

• How Does Knowledge Base Search and Article Recommendation Work?

  Hello, I would like to understand how the Knowledge Base search engine works. Specifically, does it search based on: The article title only? The full article content? Both, the article and the content? Keywords? Tags? Also, how does the system determine

• Super Admin Logging in as another User

  How can a Super Admin login as another user. For example, I have a sales rep that is having issues with their Accounts and I want to view their Zoho Account with out having to do a GTM and sharing screens. Moderation Update (8th Aug 2025): We are working

• Do buttons and vba msgbox work on mobile, specifially the iPhone zoho sheets app?

  In Zoho sheets on the web, I inserted a button and assigned a VBA macro to it. It pops up a msgbox with some text. When I go onto the iPhone mobile zoho sheets app, the button is there. When I click on that button, the spinning asterisk appears for a

• [Webinar] Solving business challenges- Handling the challenge of transitioning to Zoho Writer from legacy tools

  Moving to Zoho Writer is a great way to consolidate your business tools and become more agile. With multiple accessibility modes, no-code automation, and extensive integration with business apps and content platforms, Zoho Writer helps solve your organization's

• How exactly does "Reply assistance" work in Zoho Desk? What context is sent to the LLM?

  Hi, Im trying to better understand the technical behavior of the feature "Reply assistance" in Zoho Desk, and I couldn’t find detailed information in the current documentation. Specifically, I have questions about what data is actually being sent to the

• How can I effectively manage a website with your help?

  I’m wondering if it’s possible to develop a custom website with specific features using Zoho as an alternative platform. My goal is to create a website similar to https://tmsim.ph, with the same kind of functionality and user experience. I would truly

• Introducing the Yes/No field: Binary decisions made beautiful

  Greetings, form architects! What would you do when you need a simple yes/no answer on your form? Normally, you add a Radio field. Type Yes. Type No. Until now. The new Yes/No field is purpose-built for binary decisions. It is preconfigured, visually consistent,

• How to Invoice Based on Timesheet Hours Logged on a Zoho FSM Work Order

  Hi everyone, We’re working on optimizing our invoicing process in Zoho FSM, and we’ve run into a bit of a roadblock. Here’s our goal: We want to invoice based on the actual number of hours logged by our technicians on a job, specifically using the timesheets

• Next Page