Re: reject_unknown_client_hostname seems broken in postfix-2.11.20130710

2014-02-03 Thread IMAP List Administration
Hello Michael, On 02/03/2014 02:41 PM, m...@tls.msk.ru wrote: > 3 feb 2014 г. 17:08:31 GMT+04:00, IMAP List Administration > wrote: > > > >Indeed, the problem was being caused by bug(s) in the OpenBSD > >implementation of > >gethostbyaddr(). > > Care to gi

Re: reject_unknown_client_hostname seems broken in postfix-2.11.20130710

2014-02-03 Thread IMAP List Administration
[resending to list, where I meant to send it...] Hi Wietse, On 01/31/2014 04:46 PM, Wietse Venema wrote: > IMAP List Administration: >> Hello List, >> >> a week or so ago I upgraded my OpenBSD mail server from OpenBSD 5.3 to 5.4, >> and >> at the same time w

reject_unknown_client_hostname seems broken in postfix-2.11.20130710

2014-01-31 Thread IMAP List Administration
Hello List, a week or so ago I upgraded my OpenBSD mail server from OpenBSD 5.3 to 5.4, and at the same time went from postfix-2.9.6 to postfix-2.11.20130710. postfix-2.11.20130710 is the OpenBSD 5.4 default package, in case someone is wondering "why that?". I've been using "reject_unknown_client

Re: intermittent DNS lookup failure in combination with reject_unknown_client_hostname

2012-12-01 Thread IMAP List Administration
2012 at 09:55:11PM +0100, >IMAP List Administration wrote: >> I'm running a postfix (postfix-2.9.20120102-sasl2) server on > That's a pre-release snapshot. Postfix 2.9 is up to patchlevel 4. so now I have a release version of postfix. > That's very old. 9.4.3 was

Re: intermittent DNS lookup failure in combination with reject_unknown_client_hostname

2012-11-14 Thread IMAP List Administration
On 11/14/2012 11:06 AM, Jamie Paul Griffin wrote: > I've been getting client requests from this ip as well, i've put it into a > permenant spamd(8) blacklist. that's highly interesting, but: 1) the sender was legitimate 2) my problem is some sort of intermittent DNS lookup failure 3) that addre

intermittent DNS lookup failure in combination with reject_unknown_client_hostname

2012-11-13 Thread IMAP List Administration
Hello Folks, I'm running a postfix (postfix-2.9.20120102-sasl2) server on OpenBSD v5.1. We have a number of anti-UCE postfix measures in place, including "reject_unknown_client_hostname", which we quite like. It's hard to believe there are so many spammers that can't overcome such a low obstacle.

delivering to cyrus for unix-users

2012-08-27 Thread IMAP List Administration
Hello Folks, I'm using postfix-2.9.20120102-sasl2 with cyrus-imapd-2.4.13p0 on OpenBSD v5.1. There are unix-users and pure-cyrus-users on the system. Most of the unix-users have mail delivered to an identical cyrus-user, but for a few "local" transport should be used. What is the best way to ar