Re: Wrote a blogpost on OpenSMTPD mailrelay - feedback appreciated

2024-03-09 Thread Paul Pace
On 2024-03-08 13:53, Peter Thurner | Blunix GmbH wrote: Hello misc@opensmtpd.org, I just wrote a blogpost that explains how to configure OpenSMTPD as a mailrelay for (Debian based) servers. I wanted to link it here in the hopes that somebody could find any mistakes I might have possibly

Re: DMARC/mailing list issue

2023-12-26 Thread Paul Pace
Hello Sir, On 2023-12-25 22:16, jrmu wrote: Greetings, I'm attempting to send email to m...@openbsd.org, and getting a lot of DMARC failure reports. SPF, DKIM, and DMARC work fine for me when I am not using a mailing list. My SPF TXT record is For interacting with mailing lists, I use a

Re: Limit messages sent per unit time?

2023-12-09 Thread Paul Pace
to the mail relay server IP address reputation. On Sat, Dec 09, 2023 at 07:09:16AM -0800, Paul Pace wrote: On 2023-12-06 19:47, Paul Pace wrote: Is there a way to limit messages sent per unit time? Maybe it's just not possible in OpenSMTPD? My use case is I have a small cluster of servers that use

Re: Limit messages sent per unit time?

2023-12-09 Thread Paul Pace
On 2023-12-06 19:47, Paul Pace wrote: Is there a way to limit messages sent per unit time? Maybe it's just not possible in OpenSMTPD? My use case is I have a small cluster of servers that use a single server as an SMTP relay. One of the servers hosts stuffs that have a somewhat higher

Limit messages sent per unit time?

2023-12-06 Thread Paul Pace
Is there a way to limit messages sent per unit time? Thank you, Paul

Quotation marks in smtpd.conf

2023-10-31 Thread Paul Pace
When is it required for using quotation marks in smtpd.conf? I was just noticing smtpd.conf(5) has examples using quotation marks, such as: action "local_mail" mbox alias filter "dkimsign" proc-exec "filter-dkimsign -d -s \ -k /etc/mail/dkim/private.key" user _dkimsign group

Re: dkimsign uses unexpected domain in signature on message from Ubuntu/Postfix relay client

2022-01-27 Thread Paul Pace
On 2022-01-26 19:24, Ryan Kavanagh wrote: On Wed, Jan 26, 2022 at 12:48:26PM -0800, Paul Pace wrote: I'm trying to figure by going backwards where in the Ubuntu/Debian/cron chain of packaging, configuring, compiling, or coding this format actually comes from but I have a feeling this ends up

Re: dkimsign uses unexpected domain in signature on message from Ubuntu/Postfix relay client

2022-01-26 Thread Paul Pace
On 2022-01-24 07:20, Tim van der Molen wrote: Hi, Martijn van Duren (2022-01-23 20:13 +0100): > From: r...@relayclient.example.com (Cron Daemon) According to RFC5322 section 3.4[0] this is not a valid e-mail format. Just to point out this actually is valid. Text in parentheses is a

Re: dkimsign uses unexpected domain in signature on message from Ubuntu/Postfix relay client

2022-01-23 Thread Paul Pace
On 2021-11-24 04:01, Martijn van Duren wrote: On Tue, 2021-11-23 at 08:47 -0800, Paul Pace wrote: Hello! I have an Ubuntu 18.04 server running Postfix 3.3 that relays through a local OpenSMTPD mail relay on OpenBSD 7.0. Messages sent from system messages and directly from mail command

Re: dmarc reports - action required?

2021-11-26 Thread Paul Pace
On 11/26/21 8:57 AM, Michael Taubert wrote: Hi everyone! Recently I've received some dmarc reports from various hosts like google, yahoo, and so on. Are these reports of any use or just information for me? I mean, is there any action required when I got reports of failed dkim or spf? All

dkimsign uses unexpected domain in signature on message from Ubuntu/Postfix relay client

2021-11-23 Thread Paul Pace
Hello! I have an Ubuntu 18.04 server running Postfix 3.3 that relays through a local OpenSMTPD mail relay on OpenBSD 7.0. Messages sent from system messages and directly from mail command are signed by dkimsign as expected. Messages sent from letstencrypt run through cron.weekly are not

Re: Configuration for local send tool -> restricted recipients relayed over SMTP

2021-11-16 Thread Paul Pace
On 11/15/21 6:47 AM, Simon Harrison wrote: https://unixsheikh.com/tutorials/arch-linux-mail-server-tutorial-part-2-opensmtpd-dovecot-dkimproxy-and-lets-encrypt.html This one is some pre-6.4 version, so the smtpd.conf won't work. Paul

Re: DKIM signature verification fails with local recipient alias

2021-11-16 Thread Paul Pace
Martjin graciously contacted me on this. He recommended redirecting socket to TCP because stmpd will append the hostname to addresses without a hostname. I never would have thought of redirect, as obvious as it seems. He also recommended to use tagging, but my simple mind only worked out a