This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Unable to send messages

  • 2 replies
  • 4 have this problem
  • 8 views
  • Last reply by nickybear

more options

Why am I receiving this error message when trying to send messages?: An error occurred sending mail: The mail server sent an incorrect greeting: out.ipsmtp4nec.opaltelecom.net.

Why am I receiving this error message when trying to send messages?: An error occurred sending mail: The mail server sent an incorrect greeting: out.ipsmtp4nec.opaltelecom.net.

All Replies (2)

more options

Check with your mail provider (Opaltelecom?) for the correct outgoing SMTP name and settings. The one you gave is unusual for an SMTP server.

more options

Thanks duggabe. It seems opaltelecom is affiliated with talk talk. I'll contact them for the settings.