[afnog] is my sendmail an open-relay?

[Peter Nyamukusa]

On Monday 11 December 2006 00:16, Andy Davidson wrote:

Why don't you try using the secure ports ie smtps, https etc

Regards,

Peter
 
> On 7 Nov 2006, at 20:14, Brian Candler wrote:
> >> In addition to testing, I would make a outgoing mail server on a
> >> different
> >> network non 25 port
> >
> > There is an official port for this (587, for SMTP "mail
> > submission"), but
> > it's not widely used. Its main benefit is to allow people to submit
> > mail
> > using SMTP AUTH when the remote network has blocked outgoing port 25.
>
> Running a private (and locked down) smtp server on tcp/80 may well
> get you round even more firewalls.. Running a private OpenVPN system
> on tcp/80 may well be even more useful.
>
> Cheers
> -a
>
>
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