Dear Alex,
Am 09.08.24 um 03:51 schrieb Alex via Postfix-users:
Hi,
Stack trace of thread 468215:
#0 0x00404610 strlcpy (vacation + 0x4610)
#1 0x00402e0e main (vacation + 0x2e0e)
#2 0x7f2a6f8a00
Dear Alex,
A kind request in the beginning to not wrap the lines in the quotes.
Am 08.08.24 um 21:07 schrieb Alex via Postfix-users:
I've migrated my config and user data from a fedora38 system to a fedora40
system with postfix-3.8.5 and now vacation is segfaulting for some users. I
don't und
Dear Alex,
Am 08.08.24 um 20:41 schrieb Alex via Postfix-users:
On Thu, Aug 8, 2024 at 2:13 PM Wietse Venema wrote:
Alex via Postfix-users:
I've migrated my config and user data from a fedora38 system to a fedora40
system with postfix-3.8.5 and now vacation is segfaulting for some users.
Dear Postfix users,
A user had their password guessed/leaked, and the account was used to
send spam/phishing messages – but only once an hour or so, so it wasn’t
detected as abnormal traffic. One thing detectable thing would have
been, that the sent unsolicited messages used a different name
Dear Viktor,
Thank you for the quick reply with a solution.
Am 21.01.24 um 16:55 schrieb Viktor Dukhovni via Postfix-users:
On Sun, Jan 21, 2024 at 09:39:06AM +0100, Paul Menzel wrote:
pg.de is currently a parked domain, so our users will not going to
email there, and I would like to reject
Dear Postfix users,
The Max Planck Society consists of several institutes/organizations each
running their own email infrastructure (which is good, as it’s
decentralized. Most of them have the a subdomain under mpg.de, and
sometimes we notice users from our institute sending emails to
collea
Dear Viktor, dear Wietse,
Am 25.11.22 um 17:25 schrieb Viktor Dukhovni:
On Fri, Nov 25, 2022 at 09:35:28AM -0500, Wietse Venema wrote:
Viktor Dukhovni:
However, in this case the issue is a minor oversight in the Postfix TLS
client code. The intended logging behaviour does not happen. Patch
Dear Eric,
Am 24.10.23 um 11:32 schrieb Eric Doutreleau via Postfix-users:
i m using on my server postfix-3.5.8 and cyrus-sasl-2.1.27
I m using fail2ban too to prevent brute force attack.
my problem is that when a connection failed because of wrong password i
don't know what account is targ
Dear Postfix,
Am 30.09.23 um 22:47 schrieb Viktor Dukhovni via Postfix-users:
Recent news of security issues in Exim appear to in part implicate
libspf2.
[…]
Off-topic for Postfix users, but Tobias Fiebig published the article
*Configuring Postfix as a proxy in front of Exim MTAs* [1].
K
Dear Fourhundred,
Am 09.08.23 um 07:34 schrieb Fourhundred Thecat via Postfix-users:
my email was flagged as spam by Microsoft.
I have the received email, together with all the headers that Microsoft
added. Specifically the item: X-Microsoft-Antispam-Message-Info:
I have found a tool on gith
Dear Jaroslow,
Am 24.07.23 um 19:02 schrieb Jaroslaw Rafa via Postfix-users:
Dnia 24.07.2023 o godz. 17:05:40 Paul Menzel via Postfix-users pisze:
(Also from the legal perspective,
without being a lawyer, I’d say, that actually all German (European)
companies are required to only transmit
Dear Viktor,
Thank you for your reply.
Am 23.07.23 um 23:42 schrieb Viktor Dukhovni via Postfix-users:
On Sun, Jul 23, 2023 at 11:22:26PM +0200, Paul Menzel wrote:
Does it really matter why some site offering opportunistic STARTTLS does
not have a validatable certificate? The connection can
Dear Ivan,
Thank you very much for your reply.
Am 12.07.23 um 10:16 schrieb Ivan Hadzhiev:
You can copy from here:
https://github.com/internetstandards/dhe_groups/blob/main/ffdhe4096.pem
or you can create it
openssl genpkey -genparam -algorithm DH -pkeyopt dh_param:ffdhe4096 -out
/etc/postfi
Dear Postfix folks,
The Internet.nl email test, reports for molgen.mpg.de [1]:
Key exchange parameters
Verdict: At least one of your mail servers supports insufficiently
secure parameters for Diffie-Hellman key exchange.
Technical details:
c1241.mx.srv.dfn.de.DH-2048 insufficien
Dear Postfix folks,
Apple Mail violates the standard [1], resulting in attachments only
being shown in the HTML view.
This behaviour is to be expected given the incorrect MIME structure
of the message. It is:
multipart/alternative
text/plain
multipart/mixed
text/html
attachment
Dear Postfix folks,
Running the *Public Email & DNS Testbed* [1], I was reminded, that we
have MTA-STS set up, but do not take the MTAT-STS policy of other
domains into account.
As a solution I found *postfix-mta-sts-resolver* [2], which warns about
a “RFC violation” [3]:
### Warning: MT
Dear Matus,
Thank you for your reply.
Am 03.05.23 um 15:02 schrieb Matus UHLAR - fantomas via Postfix-users:
On 03.05.23 14:53, Paul Menzel via Postfix-users wrote:
Some of our users, that relocate, ask for a custom message over the
current one:
user has moved to new_location
For
Dear Postfix users,
Some of our users, that relocate, ask for a custom message over the
current one:
user has moved to new_location
For example:
This address is out of service. For business please contact
funct...@company.example.net, or n...@private.example.net for private
contac
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