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Re: Default for the envelope From in smtpmail.el

From: Tim Cross
Subject: Re: Default for the envelope From in smtpmail.el
Date: Wed, 6 Jul 2011 11:30:52 +1000

On Wed, Jul 6, 2011 at 1:16 AM, Lars Magne Ingebrigtsen <address@hidden> wrote:
> Currently, the default envelope from address (aka. SMTP "MAIL FROM") in
> smtpmail is `user-mail-address'.  The user can change this by changing
> some rather confusing variables called `mail-specify-envelope-from' and
> `mail-envelope-from'.
> I wonder whether a more sensible default here would be to use the From:
> address in the buffer being sent.  Some MTAs filter on the MAIL FROM,
> and only allow access based on a filter, and people adjust their From:
> headers to reflect that.
> For instance, when they are at work with their laptops, they use "From:
> address@hidden", and at home "From: address@hidden".
> I have no idea whether changing this default will break more stuff than
> it would help, though.  Thoughts?
> --
> (domestic pets only, the antidote for overdose, milk.)
>  bloggy blog http://lars.ingebrigtsen.no/

Given the short time to pretest, I would wait.

I can't remember the full details, but I do distinctly remember
running into all sorts of issues with respect to envelope from and
mail servers configured to do masquerading and I vaguely remember some
issues relating to fetchmail and multi-drop mailboxes etc. I suspect
changes in this area may have some unexpected side effects that may
take some time to be realised/identified, so you would probably want
as long a test period as possible.


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