--On Monday, January 13, 2025 6:31 PM -0500 Scott K via Postfix-users
wrote:
The last of these problems doesn't show in the log just Thunderbird
says it couldn't connect to the relay server and I should check to make
sure my email address is correct
If you're just starting to learn how to ma
The biggest headache I had when I used a backup MX was avoiding
backscatter. So I tweaked my milter on the primary to always accept mail
from the backup and never reject/bounce it. If necessary, silently drop
spam.
Alas, secondaries tend to be targets for spammers, on the assumption
they get
--On Tuesday, December 10, 2024 1:02 AM +0300 Michael Tokarev via
Postfix-users wrote:
And the good news is that this is actually not difficult, -
I'm really curious which probs people are having with that,
a distribution-provided postfix.service should run just fine.
It depends on network and
--On Sunday, December 08, 2024 9:36 AM + Sad Clouds via Postfix-users
wrote:
It really helps if I can visualize the overall
architecture on a single diagram.
This reminds me of the old iptables plumbing diagram that really helped me
understand how the Linux firewall worked. This should
I recommend installing etckeeper. I disable the setting to do
auto-backups before package updates (yum or apt) and the nightly
auto-backup so that all commits require me to explicitly set a change
comment. (So I remember why I made the change.)
*From:* Wietse Venema via Postfix-users
*Sent:*
You don't say where the error message is reported or by what. Something
else is invoking Postfix's sendmail incorrectly.
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How would I configure a firewall server to forward to an internal server
over an authenticated submission connection? The examples I'm reading
seem to show an unauthenticated connection to port 25. I expect I'd use
a custom internal user for this.
Reference:
https://www.postfix.org/STANDARD_C
On 7/18/2024 7:53 AM, Wietse Venema via Postfix-users wrote:
- Disable the recipient_delimiter feature, and use PCRE tables for
domain-dependent email address rewriting and routing.
PCRE sounds promising. It can't be any harder than writing a sendmail
rule! :D You can find the sendmail rule
Can I set recipient_delimiter to differerent values for different
domains I serve?
Many websites refuse a plus sign in an email address so I hacked my
sendmail config to allow dot to be translated to plus. I use that a lot
and have lots of plussed addresses in the wild that use a dot instead o
On 7/18/2024 4:43 AM, Wietse Venema via Postfix-users wrote:
It's sometimes called "address extension".
Ah, that's the piece of jargon I was missing. With that I think can
trace through to understand where it's applied.
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On 7/18/2024 2:52 AM, Jaroslaw Rafa via Postfix-users wrote:
Can Dovecot do client auth at all? All the docs say that Dovecot can do only
submission auth, for client auth you must use Cyrus. Also the link quoted
above is basically all about configuring client auth with Cyrus, for Dovecot
it just
I'm reading through this document and don't see recipient_delimiter
mentioned. Where is it applied to the incoming addresses? (It's
otherwise a great, detailed document. I just don't see this one feature
discussed, and I use it a lot as a user.)
https://www.postfix.org/ADDRESS_REWRITING_README
On 7/16/2024 8:59 AM, Scott Kitterman via Postfix-users wrote:
I didn't write this, but this, FYI, seems to be the most current distro
documentation on how to configure it:
https://wiki.debian.org/PostfixAndSASL
Note that the Dovecot example in the Debian wiki is about client
authentication (
I'm a long-time sendmail users about to deploy my first Postfix server
and will be moving my MIMEDefang/MailMunge milter to it. They provide
their own multiplexor. (MailMunge is a fork of MIMEDefang. Both allow
one to write filters in Perl and provide a sample filter script that
invokes ClamD,
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