1787998 - System does not support BDAT Error

Status: RESOLVED DUPLICATE of bug 1783559

(Thunderbird :: Message Compose Window, defect)

Description

[deepak.vasudevan]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36 OPR/90.0.4480.54

Steps to reproduce:

Was trying to communicate to a few recipients

1. Message was in HTML/Rich Text Format
2. Has 5 attachments. Total size: 2 MB
3. Has 10 recipients. 9 in Cc. 1 in To.
4. Priority: High
5. MDN: Yes
   6: Delivery Notification: Yes

Actual results:

The mail client submitted this message with bare line feeds, which cannot be sent via SMTP protocol DATA command and receiving system does not support BDAT.

Expected results:

The mail should get delivered.

Comment 1

[Ping Chen [:rnons] (away)]

Do you happen to be using Avast, see bug 1783559.

Comment 2

[deepak.vasudevan]

Not Avast but its sister AV (AVG Free). And Email Shield is enabled. Does that cause the interference?

A while back I reported about an issue to AVG that they are making an interstitial to the email client with a self-signed certificate that is causing interference. Let me disable the shield and run the tests and confirm you the same.

Comment 3

[deepak.vasudevan]

Attachment: image_2022-08-30_144050788.png

Comment 4

[deepak.vasudevan]

Attachment: image_2022-08-30_144138858.png

Comment 5

[deepak.vasudevan]

As of now the temporary workaround is to disable Email Shield in AVG Antivirus till the antivirus vendor fixes their bug.

Comment 6

[deepak.vasudevan]

Attachment: image_2022-09-02_111849604.png