Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

The size of the message you are trying to send exceeds the global size limit (1048576 bytes) of the server

  • 1 reply
  • 2 have this problem
  • 1 view
  • Last reply by Matt

RosannaClark
RosannaClark
more options

After updating to TBV45, I receive this error message when trying to send emails with attachments. The problem is not with my ISP as I can send the email using the web portal with no problem. I have been using TB for years and this is a new error message that we have not seen before when trying to send attachments up to 2 or 3Mb.

After updating to TBV45, I receive this error message when trying to send emails with attachments. The problem is not with my ISP as I can send the email using the web portal with no problem. I have been using TB for years and this is a new error message that we have not seen before when trying to send attachments up to 2 or 3Mb.

All Replies (1)

Matt
Matt
  • Moderator
  • Top 10 Contributor
more options

That error message comes directly from your providers server. Thunderbird is only the messenger. The message says the server will only accept messages less that 1 MB roughly. (A MB is not really as clear cut as folk think

1024 × 1024 byte kilobytes = 1048576 bytes