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From: Jeff King <>
To: "Ævar Arnfjörð Bjarmason" <>
Cc: Phillip Susi <>,
Subject: Re: git send-email says AUTH is unknown command?
Date: Thu, 6 May 2021 13:06:29 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, May 06, 2021 at 05:22:31PM +0200, Ævar Arnfjörð Bjarmason wrote:

> On Thu, May 06 2021, Phillip Susi wrote:
> > git send-email prompts for my SMTP password then says:
> > Command unknown: 'AUTH' at /usr/lib/git-core/git-send-email line 1573.
> >
> > That line reads:
> >
> > smtp_auth_maybe or die $smtp->message;
> >
> > Why is it complaining that it does not know what AUTH means?  It is
> > connecting to port 25 and /should/ be using STARTTLS.
> This message is from your server indirectly, i.e. there is no AUTH verb
> supported by it.
> I'm almost certain that you'll find that you cannot in fact auth on port
> 25 on this server, and must use another port to do SSL from the start,
> i.e. not STARTSSL[1].

Alternatively, it may be that the server would prefer port 587 (with
STARTTLS), which is typically used for "submission" (i.e., originating
new messages from authenticated users, versus the normal port 25 for
MTA's routing messages between them).


      reply	other threads:[~2021-05-06 17:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-06 13:30 Phillip Susi
2021-05-06 15:22 ` Ævar Arnfjörð Bjarmason
2021-05-06 17:06   ` Jeff King [this message]

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