Re: [exim] SMTP vs Submission (port 25 vs 587)

David Saez Padros wrote:
> > This is the point that I made at the top about internal users. I don't
> > believe viruses (virii???) commonly use the user's MUA to spread or to send
> > the junk mail if it's one of those zombies.
>
> they do not use the user's mua they use their own smtp engine, so
> accepting only connections on port 587 will cut all virus attempts
> (altough if you use smtp auth you will also cut them that way)

Agreed, however, there is a possibility for it to occur. Atleast we would
have log entries that way. The majority of our users are more likely to put
in their password (or have it saved) and never think twice about it. Maybe
about 2-3 months later they'll mention it in passing.

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