1061495 - "Reply All" replies to CCed recipients with "To:"

Status: RESOLVED INVALID

(Thunderbird :: Untriaged, defect)

Description

[schaefer.frank]

User Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Firefox/31.0
Build ID: 2014072000

Steps to reproduce:

Pressed "Reply All" button for a mail with

From: Person_A
To: Person_B
Cc: Person_C1
Cc: Person_C2


Actual results:

An new empty mail is created with

From: Me
To: Person_A
To: Person_B
To: Person_C1
To: Person_C2


Expected results:

Like with Thunderbird versions <= 24 previously CCed recipients should be kept CCed:

From: Me
To: Person_A
To: Person_B
Cc: Person_C1
Cc: Person_C2

Comment 1

[Magnus Melin [:mkmelin]]

I'm pretty sure this didn't change from 24->31. 

Are different identities or auto-cc/auto-bcc set up in the example you have. Also, you don't list Me as a recipient, so how is it from Me when you reply?

Comment 2

[schaefer.frank]

(In reply to Magnus Melin from comment #1)
> I'm pretty sure this didn't change from 24->31. 

It did. I'm using it daily and with the same mailing-lists.

> Are different identities or auto-cc/auto-bcc set up in the example you have.
AFAIK, no. I doubt the mailing-list changed exactly at the sam time I upgraded to v31.

> Also, you don't list Me as a recipient, so how is it from Me when you reply?
Right, that was a mistake. Of course "Me" must be a recipient of the of the first mail.

Comment 3

[schaefer.frank]

> > Also, you don't list Me as a recipient, so how is it from Me when you reply?
> Right, that was a mistake. Of course "Me" must be a recipient of the of the
> first mail.

Wait ! I was wrong.
It seems to happen only in conjunction with mailinglists, if "Me" has _not_ been a direct recipient.
If "Me" has been a recipient, "Reply All" works as expected.

Comment 4

[Magnus Melin [:mkmelin]]

Can't reproduce. Please try in -safe-mode

Comment 5

[schaefer.frank]

For me it's 100% reproducible, safemode changes nothing.

Maybe there's too much confusion now.
The example from my description was right.
It happens if "Me" receives the message from a mailing-list and is not an addressee of the message.
(if "Me" is an addressee of the message, then "Reply All" works as expected and keeps the CCs).

Comment 6

[Magnus Melin [:mkmelin]]

Can you attach a sample mail (save as .eml)? Maybe it has some special headers.

Comment 7

[schaefer.frank]

Attachment: Example mail

Comment 8

[Magnus Melin [:mkmelin]]

That explains it. That mail has a Mail-Followup-To header, which thunderbird is using the way it should.