Re: Uninstalling postgrey

2020-05-25 Thread Scott Kitterman
On Monday, May 25, 2020 10:26:56 PM EDT Ian Evans wrote: > On Mon, May 25, 2020 at 3:35 PM Ian Evans wrote: > > On Mon, May 25, 2020 at 4:09 AM Matus UHLAR - fantomas > > > > wrote: > >> On 24.05.20 21:04, Ian Evans wrote: > >> >Based on another thread here, I want to move to using > >> > >>

Re: Uninstalling postgrey

2020-05-25 Thread Ian Evans
On Mon, May 25, 2020 at 3:35 PM Ian Evans wrote: > On Mon, May 25, 2020 at 4:09 AM Matus UHLAR - fantomas > wrote: > >> On 24.05.20 21:04, Ian Evans wrote: >> >Based on another thread here, I want to move to using >> postscreen/postwhite >> >and ditch postgrey. >> > >> >Just want to make sure I

Re: Uninstalling postgrey

2020-05-25 Thread Ian Evans
On Mon, May 25, 2020 at 4:09 AM Matus UHLAR - fantomas wrote: > On 24.05.20 21:04, Ian Evans wrote: > >Based on another thread here, I want to move to using postscreen/postwhite > >and ditch postgrey. > > > >Just want to make sure I don't bungle stopping postgrey. > > > >So... > > > >- edit

Re: easiest way to reject/process emails based on Return Path

2020-05-25 Thread Jaroslaw Rafa
Dnia 25.05.2020 o godz. 12:59:30 yuv pisze: > > The legal issue is NOTICE. NOTICE is the fact that the recipient knew > or *should have known* the content of the message. Let me know if you > want me to expand on the concept of notice. You have explained it sufficiently in your message and I

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Chris Wedgwood
> Greylisting has become pretty much useless. When I disabled it a > couple years ago, the spam levers did not increase by any measurable > amount. We now use just 3 RBLs and that seems to be a relatively > acceptable level of spam. Checking for %ge of messages that "return after defer" I see:

Re: noreply email technisch und für Empfänger zum Ausdruck bringen

2020-05-25 Thread Thomas
Am 24.05.20 um 17:19 schrieb @lbutlr: On 23 May 2020, at 08:52, Thomas wrote: or The norm is to use an address along the lines you describe there. I use no-reply@. Emails to that address are accepted and discarded. Do not use a fake domain or someone else's domain, of course. You can

Re: easiest way to reject/process emails based on Return Path

2020-05-25 Thread yuv
On Tue, 2020-05-19 at 11:38 +0200, Jaroslaw Rafa wrote: > As a non-lawyer, it is hard for me to understand what you're trying > to debate about. The legal issue is NOTICE. NOTICE is the fact that the recipient knew or *should have known* the content of the message. Let me know if you want me to

Re: Preferred/maintained greylisting options?

2020-05-25 Thread micah anderson
Kris Deugau writes: > micah anderson wrote: >> Allen Coates writes: >>> The web page https://www.abuseat.org/faq.html (about half-way down the >>> page) >>> has an honest - and fairly recent - appraisal of a number of DNSBLs. >> >> Its a little outdated... >> >> For example: >> >>

Re: Connection cache limitations

2020-05-25 Thread Wietse Venema
Luca Fornasari: > "With Postfix versions < 3.4, the Postfix shared connection cache > cannot be used with TLS, because an open TLS connection can be reused > only in the process that creates it. For this reason, the Postfix > smtp(8) client historically always closed the connection after >

Connection cache limitations

2020-05-25 Thread Luca Fornasari
Scenario: I am managing a Postfix 2.10 installation acting as an hub for applications sending emails to the internet. The Postfix installation in turn uses a relayhost that is an A record resolving to n IP addresses; TLS to the relayhosts is negotiated opportunistically anyway it always succeeds.

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Kris Deugau
micah anderson wrote: Allen Coates writes: The web page https://www.abuseat.org/faq.html (about half-way down the page) has an honest - and fairly recent - appraisal of a number of DNSBLs. Its a little outdated... For example: Invaluement DNSBL [Note: Commercial] ivmURI and ivmSIP

Re: noreply email technisch und für Empfänger zum Ausdruck bringen

2020-05-25 Thread Jaroslaw Rafa
Dnia 25.05.2020 o godz. 14:33:36 Thomas pisze: > > FAX is much better because FAX is same as letter and working > digital, nearly 100% yes or no. Email I did not know if it is > arrived, [...] What do you actually want to achieve? Because from your messages it's hard to understand what do you

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Patrick Proniewski
On 25 mai 2020, at 13:56, Michael wrote: > > I've found the Barracuda rbl to be very useful. > > https://www.barracudacentral.org/rbl I'm using paid spamhaus RBL (local zone file rsynched) for a very long time, at work, and we are very happy about it. I use complementary RBL also like

Re: noreply email technisch und für Empfänger zum Ausdruck bringen

2020-05-25 Thread Thomas
Am 24.05.20 um 17:19 schrieb @lbutlr: On 23 May 2020, at 08:52, Thomas wrote: or The norm is to use an address along the lines you describe there. I use no-reply@. Emails to that address are accepted and discarded. Do not use a fake domain or someone else's domain, of course. You can

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Patrick Proniewski
Hello, > On 25 mai 2020, at 03:59, Vincent Pelletier wrote: > > On Fri, May 22, 2020 at 5:43 AM Ralph Seichter wrote: >> Yeah, delays... Used to be people understood the difference between >> asynchronous messaging (i.e. email) and instant messaging. Nowadays it >> seems that no day goes by

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Michael
I've found the Barracuda rbl to be very useful. https://www.barracudacentral.org/rbl On 2020-05-25 3:21 am, Allen Coates wrote: On 24/05/2020 23:22, micah anderson wrote: We paid for access to spamhaus for a while, but they jacked up the prices and now its far too expensive even for their

Re: Preferred/maintained greylisting options?

2020-05-25 Thread micah anderson
Allen Coates writes: > On 24/05/2020 23:22, micah anderson wrote: >> We paid for access to spamhaus for a while, but they jacked up the >> prices and now its far too expensive even for their non-profit rate. >> >> What RBLs do people find to be effective now days? I was looking at >> SpamRats,

Re: Preferred/maintained greylisting options?

2020-05-25 Thread Allen Coates
On 24/05/2020 23:22, micah anderson wrote: > We paid for access to spamhaus for a while, but they jacked up the > prices and now its far too expensive even for their non-profit rate. > > What RBLs do people find to be effective now days? I was looking at > SpamRats, which I did not know about

Re: Uninstalling postgrey

2020-05-25 Thread Matus UHLAR - fantomas
On 24.05.20 21:04, Ian Evans wrote: Based on another thread here, I want to move to using postscreen/postwhite and ditch postgrey. Just want to make sure I don't bungle stopping postgrey. So... - edit main.cf and remove "check_policy_service inet:127.0.0.1:10023" from

Re: Uninstalling postgrey

2020-05-25 Thread Dominic Raferd
On Mon, 25 May 2020 at 02:06, Ian Evans wrote: > > Based on another thread here, I want to move to using postscreen/postwhite > and ditch postgrey. > > Just want to make sure I don't bungle stopping postgrey. > > So... > > - edit main.cf and remove "check_policy_service inet:127.0.0.1:10023"