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.

Avatar for Username

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

how do I fix this? Can't send emails

  • 1 reply
  • 0 have this problem
  • Last reply by sfhowes

msheller
msheller
more options

Sending of the message failed. An error occurred while sending mail. The mail server responded: <sheller@wi.rr.com> sender rejected. The email address you are sending as must match the email address you used to auth. Please check your SMTP settings. AUP#Out-1500. Please verify that your email address is correct in your account settings and try again.

Sending of the message failed. An error occurred while sending mail. The mail server responded: <sheller@wi.rr.com> sender rejected. The email address you are sending as must match the email address you used to auth. Please check your SMTP settings. AUP#Out-1500. Please verify that your email address is correct in your account settings and try again.

All Replies (1)

sfhowes
sfhowes
  • Top 10 Contributor
more options

The error indicates you are trying to send from account X through the smtp server for account Y, which fails because the User Names are not the same. Create separate smtp servers for each account and set the accounts to send on the correct smtp servers.

https://support.mozilla.org/en-US/questions/1350593

Helpful?

Ask a question

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.