Re: How do check DKIM and SPF on incoming email?

On Mon, Nov 21, 2022 at 10:18:38PM +, Scott Kitterman wrote: > On November 21, 2022 8:50:51 PM UTC, raf wrote: > >On Mon, Nov 21, 2022 at 12:48:49AM +, Scott Kitterman > > wrote: > > > >> On November 20, 2022 11:47:02 PM UTC, raf wrote: > >> > > >> >There are also Debian packages for

Re: How do check DKIM and SPF on incoming email?

On Mon, Nov 21, 2022 at 12:48:49AM +, Scott Kitterman wrote: > On November 20, 2022 11:47:02 PM UTC, raf wrote: > > > >There are also Debian packages for policy server versions: > > > > postfix-policyd-spf-perl > > postfix-policyd-spf-python > > The Perl implementation is very rudimentar

Re: How do check DKIM and SPF on incoming email?

On November 20, 2022 11:47:02 PM UTC, raf wrote: >On Sun, Nov 20, 2022 at 03:29:33PM +0100, Matus UHLAR - fantomas > wrote: > >> > On 16/11/2022 11:45, Matus UHLAR - fantomas wrote: >> > > I use: >> > > spf-milter (the same source as policyd-spf-python) >> > > opendkim >> > > openarc >> > > op

Re: How do check DKIM and SPF on incoming email?

On Sun, Nov 20, 2022 at 03:29:33PM +0100, Matus UHLAR - fantomas wrote: > > On 16/11/2022 11:45, Matus UHLAR - fantomas wrote: > > > I use: > > > spf-milter (the same source as policyd-spf-python) > > > opendkim > > > openarc > > > opendmarc > > > > > > so far in soft mode (no rejections) > > >

Re: How do check DKIM and SPF on incoming email?

On 16/11/2022 11:45, Matus UHLAR - fantomas wrote: I use: spf-milter (the same source as policyd-spf-python) opendkim openarc opendmarc so far in soft mode (no rejections) opendmarc can use results of previous three in its decisions. On 20.11.22 08:21, Dominic Raferd wrote: Does spf-milter ha

Re: How do check DKIM and SPF on incoming email?

On 16/11/2022 11:45, Matus UHLAR - fantomas wrote: I use: spf-milter (the same source as policyd-spf-python) opendkim openarc opendmarc so far in soft mode (no rejections) opendmarc can use results of previous three in its decisions. Does spf-milter have the same source as policyd-spf-python? I

Re: How do check DKIM and SPF on incoming email?

On Wed, Nov 16, 2022 at 08:39:48AM +, supp...@openmbox.net wrote: > Sorry for inception. > How can I configure postfix to cause an instant message returned, > rather than 4xx code to make peer MTA retry many times? > > Thanks I think it's OpenDMARC that needs to be configured to cause this

Re: How do check DKIM and SPF on incoming email?

On 16.11.22 02:47, supp...@openmbox.net wrote: @raf is right. if you have enabled opendkim and policyd-spf on postfix, that headers related to spf and dkim will be added automatically. I use: spf-milter (the same source as policyd-spf-python) opendkim openarc opendmarc so far in soft mode (no

Re: How do check DKIM and SPF on incoming email?

Sorry for inception. How can I configure postfix to cause an instant message returned, rather than 4xx code to make peer MTA retry many times? Thanks November 16, 2022, 8:09 AM, "raf" wrote: > > On Mon, Nov 14, 2022 at 12:33:02PM -0700, Bryan Arenal > wrote: > > > > > Hi there, > >

Re: How do check DKIM and SPF on incoming email?

@raf is right. if you have enabled opendkim and policyd-spf on postfix, that headers related to spf and dkim will be added automatically. regards November 16, 2022 at 8:09 AM, "raf" wrote: > > On Mon, Nov 14, 2022 at 12:33:02PM -0700, Bryan Arenal > wrote: > > > > > Hi there, > > > >

Re: How do check DKIM and SPF on incoming email?

On Mon, Nov 14, 2022 at 12:33:02PM -0700, Bryan Arenal wrote: > Hi there, > > Is Postfix capable of checking DKIM and SPF records on incoming email > and adding headers based upon its findings? For example, an email > with a valid DKIM signature shows these headers sent to O365: > > ARC-Authe

Re: How do check DKIM and SPF on incoming email?

Is Postfix capable of checking DKIM and SPF records on incoming email and adding headers based upon its findings? Not the postfix code itself, but postfix supports milters which do this. My google searches have only returned results on how to do DKIM signing on outbound email and not how to v

Re: How do check DKIM and SPF on incoming email?

Is Postfix capable of checking DKIM and SPF records on incoming email and adding headers based upon its findings? Not the postfix code itself, but postfix supports milters which do this. My google searches have only returned results on how to do DKIM signing on outbound email and not how to v

How do check DKIM and SPF on incoming email?

Hi there, Is Postfix capable of checking DKIM and SPF records on incoming email and adding headers based upon its findings? For example, an email with a valid DKIM signature shows these headers sent to O365: ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=example.com