We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

This thread was archived. Please ask a new question if you need help.

thunderbird email

  • 2 replies
  • 1 has this problem
  • 1 view
  • Last reply by timclav

timclav
timclav
more options

after sending an email I receive the following: An error occurred while sending mail: The mail server sent an incorrect greeting: 5.7.1 [C20] Message blocked.. It just started this a couple of days ago. If I check my sent mail the email shows it was sent. Not sure how to correct the problem.

after sending an email I receive the following: An error occurred while sending mail: The mail server sent an incorrect greeting: 5.7.1 [C20] Message blocked.. It just started this a couple of days ago. If I check my sent mail the email shows it was sent. Not sure how to correct the problem.

Chosen solution

it might show send, but if the server is replying blocked it is not being sent.what mail provider? Is there more to the message?

Read this answer in context 👍 0

All Replies (2)

Matt
Matt
  • Moderator
  • Top 10 Contributor
more options

Chosen Solution

it might show send, but if the server is replying blocked it is not being sent.what mail provider? Is there more to the message?

timclav
timclav Question owner
more options

found the problem.......I disconnected everything going into my modem and reconnected and everything solved.....