Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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
Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.
Wode archive me

The message could not be sent because ..outgoing server timed out, but the message arrived

Thunderbird Troubleshooting
christ1 replied 10 ƒe siwo va yi
R@RWH.+.com
R@RWH.+.com

I get "The message could not be sent because the connection to outgoing server (SMPT) relay.plus.net timed out. Try again. " on large (8Mb) emails. However the upload continues, and when it finishes the email arrives at the recipient. However the message does not appear in my sent folder, just as if sending had failed.

What is going on?

Roger Hill

I get "The message could not be sent because the connection to outgoing server (SMPT) relay.plus.net timed out. Try again. " on large (8Mb) emails. However the upload continues, and when it finishes the email arrives at the recipient. However the message does not appear in my sent folder, just as if sending had failed. What is going on? Roger Hill

All Replies (1)

christ1
christ1
  • Contributor Ga 25 wo
  • Moderator

As an alternative take a look at the File Link feature. https://support.mozilla.org/en-US/kb/filelink-large-attachments

It works well in connection with Dropbox. You'd need to install this add-on for Dropbox. https://addons.mozilla.org/en-US/thunderbird/addon/dropbox-for-filelink