Zoho Mail Not Sending - [SOLVED]

Once you have configured your Zoho Mail account in Outlook, if you cannot send emails but can receive them, this indicates that the authentication required by the outgoing (SMTP) server has not been configured. The main reason for the Zoho Mail not sending emails could be the account settings.

Below are the correct account settings for your Zoho Mail account.

Incoming server settings - Zoho Mail (for personal account)

  • Incoming server name - imap.zoho.in (IMAP) or pop.zoho.in (POP)
  • Port - 993 (IMAP) or 995 (POP)
  • Require SSL - Yes
  • Username - Yourname@zoho.com
  • Outgoing server name - smtp.zoho.in
  • Port - 465 (SSL) or 587 (TLS)
  • Authentication - Yes, required

When you couldn’t send emails from your Zoho Mail account, carry out the simple steps on this page to solve Zoho mail not sending emails.

Update the SMTP settings On Outlook 2016

  • Step 1: Navigate to the Windows search bar, then enter control panel and select the same from the search
  • Step 2: Navigate to the Search barin Control Panel, type mail , and then press the Enter  key on the keyboard.
  • Step 3: Choose the Mail (Microsoft Outlook 2016)
  • Step 4: In the Mail Setup - Outlook window, navigate to the Email Accounts  section and click the Email Accounts
  • Step 5: This will open the Account Settings
  • Step 6: In the Email tab, select your Zoho Mail  account and click the Change
  • Step 7: Enter the following correct server details.
  • Step 8: Incoming mail server - imap.zoho.in (IMAP) or pop.zoho.in (POP)
  • Step 9: Outgoing mail server (SMTP) - smtp.zoho.in
  • Step 10: In the Password field, enter your Zoho Mail password.
  • Step 11: To check your port settings and resolve the Zoho Mail not sending problem, click theMore Settings button on the Change Account
  • Step 12: In the Internet E-mail Settings window, click the Outgoing Server
  • Step 13: Check if the My outgoing server (SMTP) requires authentication checkbox is selected. If not, select it.
  • Step 14: Now, you have to click the Use same settings as my incoming mail server radio button.
  • Step 15: To ensure the port numbers, click the Advanced
  • Step 16: Here are the correct port settings for your reference.
  • Step 17: Incoming server - 993 (IMAP) or 995 (POP)
  • Step 18: Choose SSL/TLS from the Use the following type of encrypted connection
  • Step 19: Outgoing server - 587
  • Step 20: Click the Use the following type of encrypted connection drop-down menu and choose STARTTLS .
  • Step 21: Save the altered settings by clicking the OK
  • Step 22: Continue with the following steps and then check if the Zoho Mail not sending problem has been resolved.
  • Step 23: Return to the previous screen.
  • Step 24: Click the Test Account Settings
  • Step 25: If the account settings are correct, you will see the Congratulations! All tests completed successfully
  • Step 26: Also, navigate to the Tasks tab and check if you see the green tick marks.
  • Step 27: This ensures that your Zoho Mail account has been configured correctly in the Outlook 2016 email client.
  • Step 28: Now, click the Close button in the Test Account Settings
  • Step 29: Once done, click Next on the Change Account
  • Step 30: Close the Change Account screen by clicking the Finish button.
  • Step 31: Relaunch the Outlook 2016 email client and try sending an email message from your Zoho Mail account.
  • Step 32: The Zoho Mail not sending problem will be resolved. If needed, contact our technical experts for assistance.