[Evolution-users] Receive mail directly on my own computer

[Michael S.]

On Mon, 2025-10-20 at 00:42 +0100, Pete Biggs wrote:
> On Sun, 2025-10-19 at 14:29 -0400, janos via evolution-users wrote:
> > On Sun, 2025-10-19 at 13:21 -0400, Michael S. via evolution-users
> > wrote:
> > > > A word of warning - any mail system open to the internet on port
> > > > 25
> > > > will be a target of abuse.
> > > To echo Pete, take a look just at port 25.
> > I'm responding from my own postfix mail server; and yes, setting up a
> > mail server is not easy. I've had may share of problems in the past
> > three years until (I think) I have a stable sestup. A slight
> > configuration can expose your to all sorts of troubles.
> > ...
> > 
> 
> As a sort of "I wonder if I can still do it" thing I set up a mail
> server to receive mail from the internet this afternoon: it was 20 mins
> before I got the first probe (it was a host in China somewhere) and
> I've had regular door knocking for the past few hours - a persistent
> one has someone called Aleksei in the WhoIs.

=== SECURITY RECOMMENDATIONS ===
1. Block port 25 if you don't need email functionality
2. Use external email services (Gmail, SendGrid, etc.) instead of local mail
3. Monitor logs regularly for suspicious activity
4. Keep your system updated
5. Use fail2ban to automatically block suspicious IPs
6. Consider using non-standard ports for legitimate mail services

It's a genuine offer Pete, if you really want to experiment, you are welcome
to my bash script for tracking bad port 25 actors.
> 
> P.

-- 
Michael S.
Evo is awesome!