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

An error occurred sending mail: The mail server sent an incorrect greeting: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH

  • 1 reply
  • 2 have this problem
  • 1 view
  • Last reply by sfhowes

more options

Hi, I am receiving emails but whenever I try and send I get the following message:

 unable to send emails An error occurred sending mail: The mail server sent an incorrect greeting:  * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready..
Hi, I am receiving emails but whenever I try and send I get the following message: unable to send emails An error occurred sending mail: The mail server sent an incorrect greeting: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready..

All Replies (1)

more options

What are your settings in Tools(or AppMenu/Options)/Account Settings/Outgoing Server (SMTP)? The error message suggests you must have STARTTLS connection security and normal password authentication:

https://getsatisfaction.com/mozilla_messaging/topics/mail_preferences-t1xeq