This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

ابحث في الدعم

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

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

  • 1 (رد واحد)
  • 2 have this problem
  • 1 view
  • آخر ردّ كتبه Matt

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)

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