SMTP email sending problem

SMTP email sending problem

Hello, I've sent emails before, but you haven't responded. Please respond. My work is being disrupted.

I can't send emails via SMTP. Initially, there were no problems, but now I'm constantly receiving 550 bounce errors. I can't use the service I paid for, and I need this issue resolved.


      • 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

        • Error: Invalid Element tax_override_preference

          In both Books and Inventory, we're getting the following error whenever we try to enter any Bill: I think this is a bug. Even cloning an old bill (that obviously was entered just fine), this error occurs.

        • 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

        • Shift-Centric View for Assigning and Managing Shifts in Zoho People

          Hello Zoho People Product Team, Greetings and hope you are doing well. This feature request is related to Zoho People - please don't move it to zoho one! We would like to submit a feature request regarding the shift assignment and management view in Zoho

        • Zoho Sheet for Desktop

          Does Zoho plans to develop a Desktop version of Sheet that installs on the computer like was done with Writer?

        • Client Script | Update - Client Script Support For Custom Buttons

          Hello everyone! We are excited to announce one of the most requested features - Client Script support for Custom Buttons. This enhancement lets you run custom logic on button actions, giving you greater flexibility and control over your user interactions.

        • Introducing parent-child ticketing in Zoho Desk [Early access]

          Hello Zoho Desk users! We have introduced the parent-child ticketing system to help customer service teams ensure efficient resolution of issues involving multiple, related tickets. You can now combine repetitive and interconnected tickets into parent-child

        • cant upload images in signature- urgent help needed. ta!

          HI, I have been trying to insert the company logo in the signature. i have tried it several times since yesterday, the longest I waited was 1 hour and 12 minutes for the pop up window to upload a 180 KB .jpg file. what am i doing wrong.. an urgent reply

        • What is Resolution Time in Business Hours

          HI, What is the formula used to find the total time spent by an agent on a particular ticket? How is Resolution Time in Business Hours calculated in Zohodesk? As we need to find out the time spent on the ticket's solution by an agent we seek your assistance

        • Add Ticket button in Home view

          When I go to the My Tickets or the Knowledge Base view in our Help Centre, the Add Ticket button is available, but not in the Home view. I would really like for it to be displayed in the Home view as well. Is this possible? Thanks.

        • Problem using Zoho Desk API

          Goodmorning, I am trying to use the Zoho Desk API to create a dashboard in Grafana, but I am having a problem. Following the instructions in the API documentation, I created the API Console application (server-based application). Then I created the string

        • WhatsApp IM in Zoho Desk always routes to Admin instead of assigned agent

          Hello Zoho Experts, I connected WhatsApp IM to my Zoho Desk account. I only assigned my Customer Service (CS) agent to the WhatsApp channel, and I did NOT include Admin in this channel. However, every new WhatsApp conversation automatically gets assigned

        • Add zoho calendar to google calendar

          Hi I keep seeing instructions on how to sync Zoho CRM calendar with google calendar but no instructions on how to view Zoho calendar in my google calendar.

        • City field suggestion in Zoho Books

          Hi team, We are using Customers module in Zoho Books. In the Address section, we want to understand whether the City field can show suggestions while typing using any API or built-in feature. For example, if a user types “Mum”, can the system suggest

        • Resolution Time Report

          From data to decisions: A deep dive into ticketing system reports What are time-based reports? Time-based reports are valuable tools that help us understand how well things are going by breaking down key metrics over specific periods. By tracking, measuring,

        • Non-responsive views in Mobile Browser (iPad)

          Has anyone noticed that the creator applications when viewed in a mobile browser (iPad) lost its responsiveness? It now appears very small font size and need to zoom into to read contents. Obviously this make use by field staff quite difficult. This is not at all a good move, as lots of my users are depending on accessing the app in mobile devices (iPads), and very challenging and frustrating. 

        • How can I check all announce?

          Hiii, May I ask how can I check all the announce based on broadcast date instead of reply date based So that I will not will miss out any new function

        • LESS_THAN_MIN_OCCURANCE - code 2945

          Hi I'm trying to post a customer record to creator API and getting this error message. So cryptic. Can someone please help? Thanks Varun

        • How to apply customized Zoho Crm Home Page to all users?

          I have tried to study manuals and play with Zoho CRM but haven't found a way how to apply customized Zoho CRM Home Page as a (default) home page for other CRM users.. How that can be done, if possible? - kipi Moderation Update: Currently, each user has

        • CRM limit reached: only 2 subforms can be created

          we recently stumbled upon a limit of 2 subforms per module. while we found a workaround on this occasion, only 2 subforms can be quite limiting in an enterprise setting. @Anonymous User I've read about imminent increase of other components (e.

        • What are the create bill API line item requiered fields

          While the following documentation says that the line items array is requiered it doesn't say what if any files are requiered in the array. Does anyone know? API documentation: https://www.zoho.com/inventory/api/v1/bills/#create-a-bill I'm trying to add

        • How to print a label from zoho creator app?

          Hello, I would like to print a label from zoho creator app record similar to attached one. Size 74mm x 102mm. I tried record template. It leaves plenty of space around the content and also I couldn't set the height of the page. So it is not printing properly. Could someone please direct me to right direction for this requirement?

        • Let us view and export the full price books data from CRM

          I quote out of CRM, some of my clients have specialised pricing for specific products - therefore we use Price Books to manage these special prices. I can only see the breakdown of the products listed in the price book and the specialised pricing for

        • Function #53: Transaction Level Profitability for Invoices

          Hello everyone, and welcome back to our series! We have previously provided custom functions for calculating the profitability of a quote and a sales order. There may be instances where the invoice may differ from its corresponding quote or sales order.

        • Remove Powered by Zoho at the footer

          Hi, I've read two past tickets regarding this but it seems that the instructions given are outdated. I assume the layout keeps on changing, which makes it frustrating for me to search high and low. Please let me know how exactly do I do this now? Th

        • local file csv import problem

          The issue occurs when I upload a CSV file via Databridge. In the preview, everything looks correct — the values are in the proper columns. However, after clicking Import, the first column becomes empty, and the values from that column appear in a new

        • Emails are going to notification folder and not in inbox

          emails are going to notification folder and not into inbox

        • Optimising CRM-Projects workflows to manage requests, using Forms as an intermediary

          Is it possible to create a workflow between three apps with traceability between them all? We send information from Zoho CRM Deals over to Zoho Projects for project management and execution. We have used a lookup of sorts to create tasks in the past,

        • This domain is not allowed to add. Please contact support-as@zohocorp.com for further details

          I am trying to setup the free version of Zoho Mail. When I tried to add my domain, theselfreunion.com I got the error message that is the subject of this Topic. I've read your other community forum topics, and this is NOT a free domain. So what is the

        • This user is not allowed to add in Zoho. Please contact support-as@zohocorp.com for further details

          Hello, Just signed up to ZOHO on a friend's recommendation. Got the TXT part (verified my domain), but whenever I try to add ANY user, I get the error: This user is not allowed to add in Zoho. Please contact support-as@zohocorp.com for further details I have emailed as well and writing here as well because when I searched, I saw many people faced the same issue and instead of email, they got a faster response here. My domain is: raisingreaderspk . com Hope this can be resolved.  Thank you

        • Cannot connect to imap.zoho.eu on iOS26

          Hey, I recently migrated to another iPhone and since then use iOS26. Every since then, I was not able to connect to "imap.zoho.eu" from Apple Mail. I tried deleting the account and adding it again, did not work. I tried creating an app password, didn't

        • Personalize your booking pages with Custom CSS

          Greetings from the Zoho Bookings team! We’re introducing Custom CSS for Zoho Bookings, designed to give you complete control over the look and feel of your booking pages. With this new feature, you can upload your own CSS file to customize colors, fonts,

        • Customer address in Zoho Bookings

          Hello,  Is it possible to add customer address information to the Zoho bookings appointment screen? Or have it pull that information automatically from the CRM? We are wanting to use this as a field management software but it is difficult to pull the address from multiple sources when it would be ideal to have a clickable address on the appointment screen that opens up the user's maps.  It would also be advantageous for the "list view" to show appointment times instead of just duration and booking

        • Bulk bank rule creatioin

          Hi team, I am exploring Option to create a multiple bank rule. Could please suggest the option to implement this?

        • Marketer's Space: Plan smarter with Zoho Campaigns' Calendar

          Hello Marketers, Welcome to another post! Today, we'll talk about a discreet yet significant feature that's neatly tucked inside Zoho Campaigns: the calendar. It might look like an optional but somewhat unnecessary feature that you can use occasionally,

        • User

          If user is already part of manage engine endpoint central , what hapens when i try to add them to another Zoho org / directory? Are these users added as external users?

        • Add an background image to an email template in CRM

          Hi all, We wants to put an background image behind all our email templates. Is there a way to import this thru html. If i put the option background image in <body style="background-image:...</body> and i look to the preview it shows our background, but

        • Create static subforms in Zoho CRM: streamline data entry with pre-defined values

          Last modified on (9 July, 2025): This feature was available in early access and is currently being rolled out to customers in phases. Currently available for users in the the AU, CA, and SA DCs. It will be enabled for the remaining DCs in the next couple

        • Outlook - Zoho CRM Calendar Integration

          I'm facing an issue integrating Outlook with Zoho CRM. Has anyone successfully connected their Outlook to Zoho, and are all your meetings and emails being captured correctly in the CRM? Any insights or troubleshooting tips would be appreciated

        • Can 1 Zoho CRM instance sync with 2 Zoho Marketing Automation instances?

          Can 1 Zoho CRM instance sync with 2 Zoho Marketing Automation instances?

        • 【Zoho CRM】ポータル機能のアップデート

          ユーザーの皆さま、こんにちは。コミュニティチームの藤澤です。 今回は「Zoho CRM アップデート情報」の中から、ポータル機能のアップデートをご紹介します。 ポータル管理の新機能「自動招待」により、Zoho CRMからポータルへの招待を自動化できるようになりました。これまで必要だった、ユーザーごとの手動設定は不要になります。設定した条件に基づいて、対象ユーザーに自動で招待が送信されます。 ポータルの新機能 条件に基づく自動招待：指定した条件を満たすユーザーに、自動で招待を送信 招待設定：招待メールの言語を選択し、言語ごとに条件を設定可能

        • Next Page