On Tue, 11 Jun 2024 at 16:14, Noel Jones via Postfix-users <
postfix-users@postfix.org> wrote:
> If you need permit_mx_backup, that means postfix doesn't have a
> clear idea of domains it is responsible for.
>
> Please read and study:
> http://www.postfix.org/BASIC_CONFIGURATION_README.html
>
> my
On 6/11/2024 4:05 AM, Gilgongo via Postfix-users wrote:
On Tue, 11 Jun 2024 at 05:17, Noel Jones via Postfix-users
mailto:postfix-users@postfix.org>> wrote:
You should remove permit_mx_backup.
This feature is intended for ISP-scale users that may not have a
complete list of domains
On Tue, 11 Jun 2024 at 11:52, Matus UHLAR - fantomas via Postfix-users <
postfix-users@postfix.org> wrote:
> On 11.06.24 11:02, Gilgongo via Postfix-users wrote:
> >OK so I assume I can use the IP address of the primary and secondary MX
> >servers, since all our domains are hosted on those IPs.
>
>BTW in the meantime, if I add this (where mx2.mydomain.com is our
>secondary MX hostname), I take it that would be a good idea:
>
>permit_mx_backup_networks = $mynetworks mx2. mydomain.com
On Tue, 11 Jun 2024 at 10:36, Matus UHLAR - fantomas via Postfix-users <
postfix-users@postfix.org> wrot
On Tue, 11 Jun 2024 at 10:36, Matus UHLAR - fantomas via Postfix-users <
postfix-users@postfix.org> wrote:
>
> >BTW in the meantime, if I add this (where mx2.mydomain.com is our
> secondary
> >MX hostname), I take it that would be a good idea:
> >
> >permit_mx_backup_networks = $mynetworks mx2. my
nice to know the info. thanks Viktor.
Per the specification, a DKIM signature that fails to match the message
content MUST be treated the same as absence of DKIM signatures. Also,
absent a DKIM-Signature header, you can't even find the DKIM DNS record,
because the selector is unknown. Any ass
On Tue, 11 Jun 2024 at 05:17, Noel Jones via Postfix-users <
postfix-users@postfix.org> wrote:
You should remove permit_mx_backup.
This feature is intended for ISP-scale users that may not have a
complete list of domains that use their server as a backup MX. In
this case, permit_mx_backup_netwo
On Tue, 11 Jun 2024 at 05:17, Noel Jones via Postfix-users <
postfix-users@postfix.org> wrote:
> You should remove permit_mx_backup.
>
> This feature is intended for ISP-scale users that may not have a
> complete list of domains that use their server as a backup MX. In
> this case, permit_mx_backu
On Tue, Jun 11, 2024 at 10:18:17AM +0800, Jeff Peng via Postfix-users wrote:
> spf, dmarc have the policy to reject a message.
> My question is, why dkim has no choice for rejecting messages?
> for example, if dkim signature failed, where to instruct this message can be
> rejected?
Per the specif