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Re: Sending bug reports without setting up email

From: Lars Ingebrigtsen
Subject: Re: Sending bug reports without setting up email
Date: Thu, 21 Jul 2016 12:45:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Stefan Monnier <address@hidden> writes:

> Of course, nowadays this is becoming a losing proposition: MTAs only
> accept email from the sender's official MTA.  So you (the sender) first
> need to send your email (via TLS) to your MTA, and *it* will then send
> it (maybe in the clear maybe not) to the recipient's MTA.

No, MTAs accept messages for their own recipients, of course.  A few
block incoming connections from non-MTA hosts, but that's pretty rare.

But quite a few ISPs block port 25 (and some block the SMTP submission
port, too) for outgoing traffic.  In that case you have to talk to your
local MTA.

I don't have any numbers, but when travelling the past few years I've
never had any trouble talking to the SMTP submission port on the MTA I
use in Norway, so blocking is pretty rare from hotel wifis and the like,
at least.

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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