Re: Request for feedback on SMTPD restrictions

2018-01-26 Thread Voytek
On Wed, January 24, 2018 3:55 am, Noel Jones wrote: > There is no simple regexp, but there is the fqrdns.pcre project. The > project is a large hand-maintained list of dynamic hostnames with a goal of > zero false positives. It's not perfect, but it's useful and safe for > general use. > > https:

Re: TCP_TABLE Request Format

2018-01-26 Thread David Pavlotzky
Thanks for the heads up viktor. In this case the lookup table (postsrsd) is already implemented as a tcp lookup table. I thought I could maybe find a little wiggle room to send some state to postsrsd (original recipient) by misusing “a possible lookup result”... Kind regards, David On 26 Jan 2

Re: TCP_TABLE Request Format

2018-01-26 Thread David Pavlotzky
On 26 Jan 2018, 12:46 +0100, Wietse Venema , wrote: > It means that > > EVERY COMMAND specifies a command, a lookup key. > > SOME COMMANDS ALSO specify a lookup result. > > Wietse Clarified. Thanks! Kind regards, David

Re: TCP_TABLE Request Format

2018-01-26 Thread Viktor Dukhovni
> On Jan 26, 2018, at 4:23 AM, da...@pavlotzky.nl wrote: > > Could someone clarify the following passage from the TCP_TABLE manual: While not an answer to the question you were asking, something to keep in mind is that you could also use socketmap rather than tcp tables: http://www.postfix.

Re: Configure Postfix for High Volume

2018-01-26 Thread Stephen Satchell
On 01/25/2018 05:58 PM, Viktor Dukhovni wrote: This is not good advice, it breaks delivery to other domains. Much better to run a local caching resolver. Note also that the OP reports that raising concurrency does not improve throughput by much. If DNS lookups were slow higher concurrency woul

Re: TCP_TABLE Request Format

2018-01-26 Thread Wietse Venema
da...@pavlotzky.nl: > Hi all, > > Could someone clarify the following passage from the TCP_TABLE manual: > > REQUEST FORMAT > Each request specifies a command, a lookup key, and possibly a lookup > result. > > get SPACE key NEWLINE > Look up data under the specified key. > > put SPACE key SP

TCP_TABLE Request Format

2018-01-26 Thread david
Hi all, Could someone clarify the following passage from the TCP_TABLE manual: REQUEST FORMAT Each request specifies a command, a lookup key, and possibly a lookup result. get SPACE key NEWLINE Look up data under the specified key. put SPACE key SPACE value NEWLINE This request is currentl