On 3/27/21 12:51 PM, Fred Morris wrote:
> The motivations of someone who serves multiple constituencies are
> different from someone who serves only one. The tactics and considerations
> of someone who's job is to "deliver all mail" is different from someone
> who's objective is to "stop spam".
I sympathize to an extent. I filter spam strictly on header information;
actually it works quite well, but some things are apparent.
On Fri, 26 Mar 2021, Phil Stracchino wrote:
On 3/22/21 11:28 PM, Phil Stracchino wrote:
On 3/20/21 10:33 PM, li...@lazygranch.com wrote:
This stops many a
On 3/22/21 11:28 PM, Phil Stracchino wrote:
> On 3/20/21 10:33 PM, li...@lazygranch.com wrote:
>> This stops many a spammer. I forget who posted the info on the fqrdns
>> but that is very effective as well.
>
>
> So I switched a couple of days ago now to using this instead of
>
On 3/20/21 10:33 PM, li...@lazygranch.com wrote:
> This got me wondering about my own configuration. It turns out I use the
> other reverse check:
>
> smtpd_client_restrictions =
> permit_sasl_authenticated,
> permit_mynetworks,
> reject_unauth_destination,
>
On 20 Mar 2021, at 19:21, Phil Stracchino wrote:
> On 3/20/21 8:23 PM, Wietse Venema wrote:
>> But it is better to stop using reject_unknown_helo_hostname because
>> the are many misconfigured servers that send legitimat mail.
>
> That is an interesting piece of advice.
I have tested this
; -Ursprüngliche Nachricht-
> Von: owner-postfix-us...@postfix.org Im
> Auftrag von Phil Stracchino
> Gesendet: Sonntag, 21. März 2021 02:21
> An: postfix-users@postfix.org
> Betreff: Re: Postfix Helo reverse Exception
>
> On 3/20/21 8:23 PM, Wietse Venema wrote:
&
.
Greets,
Ludi
-Ursprüngliche Nachricht-
Von: owner-postfix-us...@postfix.org Im
Auftrag von Phil Stracchino
Gesendet: Sonntag, 21. März 2021 02:21
An: postfix-users@postfix.org
Betreff: Re: Postfix Helo reverse Exception
On 3/20/21 8:23 PM, Wietse Venema wrote:
> But it is bet
On 3/20/2021 9:33 PM, li...@lazygranch.com wrote:
...
This got me wondering about my own configuration. It turns out I use the
other reverse check:
smtpd_client_restrictions =
permit_sasl_authenticated,
permit_mynetworks,
reject_unauth_destination,
On Sat, 20 Mar 2021 21:28:31 -0400
Viktor Dukhovni wrote:
> On Sat, Mar 20, 2021 at 08:23:20PM -0400, Wietse Venema wrote:
> > David Mehler:
>
> > > I don't want to blanket disable reject_unknown_helo_hostname is
> > > there a way I can set a helo exception for this one host/sender?
> >
> >
On Sat, Mar 20, 2021 at 08:23:20PM -0400, Wietse Venema wrote:
> David Mehler:
> > I don't want to blanket disable reject_unknown_helo_hostname is there
> > a way I can set a helo exception for this one host/sender?
>
> Yes you can.
>
> smtpd_recipient_restrictions =
> ...
>
On 3/20/21 8:23 PM, Wietse Venema wrote:
> But it is better to stop using reject_unknown_helo_hostname because
> the are many misconfigured servers that send legitimat mail.
That is an interesting piece of advice.
--
Phil Stracchino
Babylon Communications
ph...@caerllewys.net
David Mehler:
> Mar 20 18:19:12 mail postfix/smtpd[53636]: NOQUEUE: reject: RCPT from
> xxx.xxx.xxx.xxx[xxx.xxx.xxx.xxx]: 550 5.7.1 : Helo
> command rejected: Host not found; from= to=
> proto=ESMTP helo=
As documented ("man 5 postconf", or www.postfix.org/postconf.5.html):
Hello,
I'm needing to set up an helo exception for a single host.
Mar 20 18:19:11 mail postfix/smtpd[53636]: connect from
xxx.xxx.xxx[xxx.xxx.xxx.xxx]
Mar 20 18:19:11 mail postfix/smtpd[53636]: Anonymous TLS connection
established from xxx.xxx.xxx[xxx.xxx.xxx.xxx]: TLSv1.2 with cipher
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