Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

cannot send mail

  • 1 amsa
  • 1 yana da wannan matsala
  • 1 view
  • Amsa ta ƙarshe daga Matt

more options

After installing thunderbird 78.10.1 sending an email I get the error message: “An error occurred while sending mail. The mail server sent an incorrect greeting: resomtapo-11v sys.comcast.net IP 54.153.75.67 is not permitted to send messages. Contact support if you feel this is in error.”

After installing thunderbird 78.10.1 sending an email I get the error message: “An error occurred while sending mail. The mail server sent an incorrect greeting: resomtapo-11v sys.comcast.net IP 54.153.75.67 is not permitted to send messages. Contact support if you feel this is in error.”

An gyara daga Matt

All Replies (1)

more options

Have you contacted comcast to ask their support why? that is what the error says to do it you think there has been an error. Personally I would like to know why, but I am guessing yet again that comcast have messed up their anti spam filters on their SMTP servers by blocking their own users.