Re: Optimising new system and postscreen questions

2017-05-01 Thread Allen Coates
On 01/05/17 13:17, Simon Wilson wrote: > > 3. Any other ways to speed it up, or should I accept the trade-off > between speed and accuracy of result? > If you can create a postscreen white-list of your "regular" remote hosts, they will be almost instantly passed on to the mail server. Hope this

Re: Optimising new system and postscreen questions

2017-05-01 Thread Viktor Dukhovni
> On May 1, 2017, at 10:28 AM, Simon Wilson wrote: > > Can anyone comment on the value / no value of having zen.spamhaus as an RBL > in smtpd in addition to it being used by postscreen? Keep both. If you have SpamAssassin doing RBL lookups, raise the concurrency limit of the filter transport.

Re: Optimising new system and postscreen questions

2017-05-01 Thread Simon Wilson
Viktor Dukhovni: > On May 1, 2017, at 8:17 AM, Simon Wilson wrote: > > ostscreen is using (threshold 3): > >zen.spamhaus.org*3 >bl.mailspike.net*2 >b.barracudacentral.org*2 >bl.spameatingmonkey.net >bl.spamcop.net >dnsbl.sorbs.net >hostkar

Re: Optimising new system and postscreen questions

2017-05-01 Thread Wietse Venema
Viktor Dukhovni: > > > On May 1, 2017, at 8:17 AM, Simon Wilson wrote: > > > > ostscreen is using (threshold 3): > > > >zen.spamhaus.org*3 > >bl.mailspike.net*2 > >b.barracudacentral.org*2 > >bl.spameatingmonkey.net > >bl.spamcop.net > >dnsbl.sorb

Re: Optimising new system and postscreen questions

2017-05-01 Thread Viktor Dukhovni
> On May 1, 2017, at 8:17 AM, Simon Wilson wrote: > > ostscreen is using (threshold 3): > >zen.spamhaus.org*3 >bl.mailspike.net*2 >b.barracudacentral.org*2 >bl.spameatingmonkey.net >bl.spamcop.net >dnsbl.sorbs.net >hostkarma.junkemailfilte

Re: Optimising new system and postscreen questions

2017-05-01 Thread Simon Wilson
Simon Wilson: On my new Postfix 2.10 system incoming mail is slow to process (about 15 seconds end to end), and I think it is mainly because DNS queries are slowing things down. The server runs local caching DNS BIND, so it's as quick as I can get it on the slow Internet connection we are on. A

Re: Optimising new system and postscreen questions

2017-05-01 Thread Wietse Venema
Simon Wilson: > On my new Postfix 2.10 system incoming mail is slow to process (about > 15 seconds end to end), and I think it is mainly because DNS queries > are slowing things down. > > The server runs local caching DNS BIND, so it's as quick as I can get > it on the slow Internet connecti

RE: Optimising new system and postscreen questions

2017-05-01 Thread L . P . H . van Belle
ouis > -Oorspronkelijk bericht- > Van: si...@simonandkate.net > [mailto:owner-postfix-us...@postfix.org] Namens Simon Wilson > Verzonden: maandag 1 mei 2017 11:20 > Aan: Marco Pizzoli > CC: Postfix users > Onderwerp: Re: Optimising new system and postscreen question

Re: Optimising new system and postscreen questions

2017-05-01 Thread Simon Wilson
- Message from Marco Pizzoli - Date: Mon, 1 May 2017 11:18:30 +0200 From: Marco Pizzoli Subject: Re: Optimising new system and postscreen questions To: si...@simonandkate.net Cc: Postfix users Hello Simon, The server runs local caching DNS BIND, so it's as

Re: Optimising new system and postscreen questions

2017-05-01 Thread Marco Pizzoli
Hello Simon, The server runs local caching DNS BIND, so it's as quick as I can get it on > the slow Internet connection we are on. > I don't qualify mysef expert enough to answer the rest of your points, but for the DNS part I suggest you think about replacing BIND with Unbound, as the DNS resolv

Re: Optimising new system and postscreen questions

2017-05-01 Thread Simon Wilson
- Message from Simon Wilson - Date: Mon, 01 May 2017 18:43:41 +1000 From: Simon Wilson Reply-To: si...@simonandkate.net Subject: Optimising new system and postscreen questions To: Postfix users On my new Postfix 2.10 system incoming mail is slow to process (about