Re: Forged Emails

2009-09-13 Thread Damian Myerscough
quot;spam trap" by hotmail? > > >> [snip] >> > -- Regards, Damian Myerscough

Forged Emails

2009-09-12 Thread Damian Myerscough
hotmail.com via a DNS lookup? -- Regards, Damian Myerscough

Re: Spamassassin

2009-07-27 Thread Damian Myerscough
n, should >> one see spamassassin working (I am using a Ubuntu server) > > This might be better asked on an amavisd forum - > > But having said that, the spamassassin classes are actually called > directly by amavis, so you won't see any spamassassin processes running.

Re: Tips to deny sending to foreign domains from some internal users

2009-07-26 Thread Damian Myerscough
            OK >> b...@example.com      OK >> >> >> if you want more, use restriction classes. >> >> In either case, users can forge the sender address. if this is an issue, >> you need SASL authentication, preferably with smtpd_sender_login_maps >> (the alternative would be to give no login:pass to "restricted" users). >> > > THanks !!! > > This answer to my needs exactly what i want !! > > -- Regards, Damian Myerscough

Re: Tips to deny sending to foreign domains from some internal users

2009-07-26 Thread Damian Myerscough
15:44, David Touzeau wrote: > >> Is there a "map" solution to do this behavior ?? > > policyd v2 can do this > > http://www.policyd.org/ its more complicated without :-) > > join policyd maillist for more info on this > > -- > xpoint > > -- Regards, Damian Myerscough

Postfix vrfy

2009-07-25 Thread Damian Myerscough
Hello, I have been recently playing with Postfix a lot and I was curious of the consequences of disabling the VRFY command. I have disabled the VRFY command because it allow attackers to see what users were valid e.g. local users could be identified. -- Regards, Damian Myerscough

Re: TLS

2009-07-21 Thread Damian Myerscough
> 250-XXXA > 250-ENHANCEDSTATUSCODES > 250-8BITMIME > 250 DSN > > Disable smtp fixup in your router.  It breaks more things than solves. > -- Regards, Damian Myerscough

Re: OT: Why are my servers strong passwords compromised

2009-07-18 Thread Damian Myerscough
s) and send a warning > message stating again that we "will never ask you for your password".  Yet > each time someone falls for it... > > Charles > >> >> Thanks >> Ram >> >> >> > -- Regards, Damian Myerscough