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

My email doesnt send and I get this message An error occurred while sending mail: The mail server sent an incorrect greeting: mtlp000087 cmsmtp ESMTP server no

  • 2 replies
  • 3 have this problem
  • 2 views
  • Last reply by christ1

more options

An error occurred while sending mail: The mail server sent an incorrect greeting: mtlp000087 cmsmtp ESMTP server not available.

An error occurred while sending mail: The mail server sent an incorrect greeting: mtlp000087 cmsmtp ESMTP server not available.

All Replies (2)

more options

I dont know what changed but it sends now.

more options

How about marking the topic as 'Solved' then?