It will not work. This DKIM signature will never authenticate because the key
length must be of least 1024 bits.
What you can do as a forwarder:
1. Rewrite envelope sender using a SPF enabled domain that you control. (SRS)
2. DKIM Sign message using a domain that you control, while keeping any
> On Mar 18, 2020, at 11:45 AM, ego...@gmail.com wrote:
>
> host xxx-xxx.mail.protection.outlook.com[X.X.X.X] said: 554 5.4.14 Hop
> count exceeded - possible mail loop ATTR1
> [xxx-xxx.prod.protection.outlook.com] (in reply to end of DATA
> command)
>
I suspect this is based on received heade
> On Nov 11, 2019, at 2:27 PM, ratatouille wrote:
>
> Hello all!
>
> Received: from mail.namase.de (s1.bomberg.city [62.173.139.77])
>
> I would like to reject incoming email if dns- and rdns-entries differ.
> Does this make sense and how could I achieve this?
>
> Kind regards
>
> Andreas
> On Jul 1, 2019, at 8:41 PM, Viktor Dukhovni
> wrote:
>
> The SMTP proxy can return 4XX if the HTTP POST fails. It can run
> as a threaded or forking server. In Python or Perl, I'd go with a
> forking server for simplicity. In Haskell, threading is very
> light-weight and safe/correct con
> On Jun 21, 2019, at 3:44 PM, Cooper, Robert A wrote:
>
> Howdy!
>
> We are setting up Postfix to be an on-premise mail lookup and forward service
> for a cloud-based mail filter service (ProofPoint). Our campus uses LDAP to
> route email from a public alias (@tamu.edu) to an internal mai
An "empty domain" sender usually refers to a mail address without domain
information, f.e. rather than a null sender <>. See append_at_myorigin
(default: yes) configuration parameter.
> On May 15, 2019, at 6:24 PM, Peter Fraser wrote:
>
> Hi All
> We had an auditor to an internal pentest f
> On Jun 9, 2017, at 21:45, Steve Jenkins wrote:
>
> I've got a Postfix server hosting a lastname.org domain name for family
> members.
>
> I use virtual aliasing to forward inbound mail for family members to
> third-pary mail providers (mostly gmail, but a few yahoo and aol, too).
>
> I'v
> On Jan 21, 2017, at 07:31, Kiss Gabor (Bitman) wrote:
>
> My logs are fullfilled with this:
>
> Jan 20 20:05:26 linzer postfix/smtpd[22308]: warning: hostname
> c942452695-cloudp
> ro-214859053.cloudatcost.com does not resolve to address 167.88.40.162: Name
> or
> service not known
> Jan 2
> On Dec 8, 2016, at 14:57, Dominic Raferd wrote:
>
> Thanks for your swift reply Dusan. What you write is logical but my postfix
> doesn't seem to behave that way. I have no special setting for
> maximal_queue_lifetime but I give below a recent extract from my log
> (obfuscated). After tryin
> On Dec 8, 2016, at 08:39, Dominic Raferd wrote:
>
> If nothing was specified as smtp_fallback_relay would it wait and try again
> on a transient error or would it just give up immediately? If the former,
> this would give me the behaviour I want but I really need to have the
> fallback opti
If the fullchain.pem file is the result of the acme client cert-bot, this file
includes Let's Encrypt intermediate certificate and your server certificate.
smtpd_tls_cert_file = /path/to/fullchain.pem
smtpd_tls_key_file = /path/to/privkey.pem
> On Nov 15, 2016, at 03:08, Steve Jenkins wrote:
>
On Sat, 2011-10-29 at 18:42 +, Pat wrote:
> Is there a way to detect non-7bit headers such that they can be flagged for
> post-queue filtering? Postfix' header_checks (with or without PCRE) would be
> ideal
> but I'd like to know if this is doable in Spamassassin or Amavisd-new as well.
>
Postfix prior version 2.3 allowed this using regexp transport_maps:
/^(.*)@(.*)$/smtp:[${2}.smtp.transport.company.com]
I'm looking for this result in postfix version 2.3+:
u...@domain1.comsmtp:[domain1.com.smtp.transport.company.com]
--
Thanks.
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