Join us and the lead editor of IRL, Mozilla's multi-award-winning podcast, for a behind-the-scenes look at the pod and to contribute your ideas for the next season, themed: "AI and ME." Mark your calendar and join our Community Call on Wednesday, Aug 7, 17:00–17:45 UTC. See you there!

Mozilla Support में खोजें

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 while sending mail. The mail server responded: 5.7.1 tBC5Krmn012427 This message does not comply with required standards.. Please check the m

  • 1 प्रत्युत्तर दें
  • 1 यह समस्या है
  • 1 view
  • के द्वारा अंतिम प्रतियुतर christ1

more options

I cannot send ANY emails out from my Thunderbird account. I keep getting this message: "An error occurred while sending mail. The mail server responded: 5.7.1 tBC5Krmn012427 This message does not comply with required standards.. Please check the message and try again" - I have gone through 5 different forums and restarted my computer - please help!

I cannot send ANY emails out from my Thunderbird account. I keep getting this message: "An error occurred while sending mail. The mail server responded: 5.7.1 tBC5Krmn012427 This message does not comply with required standards.. Please check the message and try again" - I have gone through 5 different forums and restarted my computer - please help!

All Replies (1)