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

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: 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

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

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

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

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