Logging SMTPD ports

2013-04-11 Thread Robert Sharp
Hi I have postfix set up with smtpd processes on three ports: 25 for the wild world out there, 587 for submission from local users and other MTAs on the LAN, and 10025 for re-injection from amavis. I am doing some log analysis and I think it would be really, really helpful if smtpd could log

Backup MX port

2015-09-29 Thread Robert Sharp
il systems. I use 587 internally for submission so I don't see why I would make it accessible to the outside world. Do I need to open another port? Have I got port 25 wrong all this time? Or do I need to get myself a proper backup provider? Thanks, Robert Sharp

Ideas for a split architecture

2015-10-28 Thread Robert Sharp
Hi, I have had a few problems recently with my router/server locking up and I was thinking about reducing the load on it by moving as much as possible to another machine and making the server more reliable. I know I could just DNAT port 25 to another machine, but that creates two points of fa

Re: Backup MX port

2015-10-28 Thread Robert Sharp
On 29/09/15 21:47, coolhandluke wrote: On 2015-09-29 05:13, Robert Sharp wrote: I have been trying to use a third-party backup provider to cover occasional outages (SiXwishlist). I set up an MX record as instructed but I get no emails sent on when my server recovers. I asked them to check

Lost Connections on a Grand Scale - is it DoS and should I report it?

2014-10-12 Thread Robert Sharp
to change postfix at the same time in case hardening all went wrong - but perhaps it is worth configuring if only to stop my logs filling with Lost Connection reports? Thanks in anticipation of any helpful comments, Robert Sharp

DNSBL, Spamhaus and postscreen filters

2017-03-01 Thread Robert Sharp
I was prompted from reading a recent post to check whether my postscreen set up was picking up Spamhaus responses. Quick grep through my logs confirmed that it was not. Seems I am in a bit of Bind (sorry for the pun). If I use Google's DNS I dont get a response from zen.spamhaus.org. If I use m

Re: DNSBL, Spamhaus and postscreen filters

2017-03-03 Thread Robert Sharp
On 03/03/17 20:22, Bill Cole wrote: On 1 Mar 2017, at 17:00, Robert Sharp wrote: I was prompted from reading a recent post to check whether my postscreen set up was picking up Spamhaus responses. Quick grep through my logs confirmed that it was not. Seems I am in a bit of Bind (sorry for the