Hi,
On Mon, Feb 12, 2024 at 5:39 AM Jaroslaw Rafa via Postfix-users <
postfix-users@postfix.org> wrote:
> Dnia 11.02.2024 o godz. 17:47:05 Alex via Postfix-users pisze:
> > My concern would be with multiple MX records for the same domain - is it
> > possible it would come back to try again with
Dnia 11.02.2024 o godz. 17:47:05 Alex via Postfix-users pisze:
> My concern would be with multiple MX records for the same domain - is it
> possible it would come back to try again with another MX and be delayed yet
> again?
MX are the addresses that *receive* mail for a given domain, not the
On 12/02/24 11:47, Alex via Postfix-users wrote:
My concern would be with multiple MX records for the same domain - is it
possible it would come back to try again with another MX and be delayed
yet again?
Unless you're referring to your own MX records these are not relevant.
That said, many
Hi,
> It has multiple benefits against bots, like:
> > - few seconds delay for refusing clients that send helo/ehlo before
> > esmtp greeting (I have used this for years with sendmail)
> > - dnwsl/dnsbl scoring system.
> >
> > These are pretty safe to use.
>
> These are the tests that are enabled
On 10/02/24 02:50, Matus UHLAR - fantomas via Postfix-users wrote:
On 08.02.24 13:05, Doug Hardie via Postfix-users wrote:
I implemented postscreen quite a while ago. I don't see where or how
it introduces a delay to force the originating MTA to queue and try
later.
It does not introduce
On Feb 8, 2024, at 01:56, Matus UHLAR - fantomas via Postfix-users
wrote:
I have removed postgrey from servers I manage a few years ago.
- without good exemption lists, you'll run into hours long waiting for
email from various mail services that attempt multiple times from
multiple IP
On 2024-02-08 at 16:05:16 UTC-0500 (Thu, 8 Feb 2024 13:05:16 -0800)
Doug Hardie via Postfix-users
is rumored to have said:
I implemented postscreen quite a while ago. I don't see where or how
it introduces a delay to force the originating MTA to queue and try
later.
If you enable the tests
Doug Hardie via Postfix-users:
> > On Feb 8, 2024, at 01:56, Matus UHLAR - fantomas via Postfix-users
> > wrote:
> >
> > On 07.02.24 21:51, Christophe Kalt via Postfix-users wrote:
> >> +1 on setting up SRS, it helps with Gmail and I believe ARC does too
> >> (although I don't have hard data on
> On Feb 8, 2024, at 01:56, Matus UHLAR - fantomas via Postfix-users
> wrote:
>
> On 07.02.24 21:51, Christophe Kalt via Postfix-users wrote:
>> +1 on setting up SRS, it helps with Gmail and I believe ARC does too
>> (although I don't have hard data on this). Interesting note about postgrey,
>>
On 8/02/24 21:38, Kees van Vloten via Postfix-users wrote:
A little addition that also helps a bit: move the content of the From:
header to the Reply-To: header and replace From: with the local account
that is forwarding the message. All mail then originates from your
domain and a reply to a
On 07.02.24 21:51, Christophe Kalt via Postfix-users wrote:
+1 on setting up SRS, it helps with Gmail and I believe ARC does too
(although I don't have hard data on this). Interesting note about postgrey,
I didn't think that was effective any longer but maybe it is.
I have removed postgrey
Op 08-02-2024 om 04:09 schreef Peter via Postfix-users:
My recommendations are as follows (other people's recommendations
will vary):
1. Don't forward mail.
2. If you must forward mail then relay it using a different IP
address to mail that originates from you, that way if the IP gets
Op 08-02-2024 om 04:09 schreef Peter via Postfix-users:
On 8/02/24 14:23, Alex via Postfix-users wrote:
I'm hoping I could ask for some advice. We have a pretty
large percentage of users who forward mail through our systems to
personal Gmail accounts. Sometimes it is mail from bulk senders
Dear Peter,
I do appreciate your 5 recommendations.
So far I have DKIM, DMARC and others such as Postgrey Anti-Spam and SPF
in place.
I am planning to implement ARC as I look to also implement mailing list.
But I was not aware of SRS.
Finally, I am not forwarding any mail so far.
Regards,
On 8/02/24 14:23, Alex via Postfix-users wrote:
I'm hoping I could ask for some advice. We have a pretty
large percentage of users who forward mail through our systems to
personal Gmail accounts. Sometimes it is mail from bulk senders like
mailgun and lanyon/cvent.
Before answering your
+1 on setting up SRS, it helps with Gmail and I believe ARC does too
(although I don't have hard data on this). Interesting note about postgrey,
I didn't think that was effective any longer but maybe it is.
On Wed, Feb 7, 2024 at 9:01 PM Doug Hardie via Postfix-users <
postfix-users@postfix.org>
> On Feb 7, 2024, at 17:23, Alex via Postfix-users
> wrote:
>
> Hi,
>
> I'm hoping I could ask for some advice. We have a pretty large percentage of
> users who forward mail through our systems to personal Gmail accounts.
> Sometimes it is mail from bulk senders like mailgun and
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