Only these references to opendkim  I found out in syslog:


Dec  3 14:35:09 debian systemd[1]: Stopping OpenDKIM DomainKeys Identified Mail (DKIM) Milter...
Dec  3 14:35:13 debian opendkim[420]: OpenDKIM Filter: mi_stop=1
Dec  3 14:35:13 debian opendkim[420]: OpenDKIM Filter v2.11.0 terminating with status 0, errno = 0
Dec  3 14:35:13 debian systemd[1]: opendkim.service: Succeeded.
Dec  3 14:35:13 debian systemd[1]: Stopped OpenDKIM DomainKeys Identified Mail (DKIM) Milter. Dec  3 14:35:13 debian systemd[1]: Starting OpenDKIM DomainKeys Identified Mail (DKIM) Milter... Dec  3 14:35:13 debian systemd[1]: Started OpenDKIM DomainKeys Identified Mail (DKIM) Milter. Dec  3 14:35:13 debian opendkim[25690]: OpenDKIM Filter v2.11.0 starting (args: -x /etc/opendkim.conf)


My  opendkim.conf is here


# This is a basic configuration that can easily be adapted to suit a standard
# installation. For more advanced options, see opendkim.conf(5) and/or
# /usr/share/doc/opendkim/examples/opendkim.conf.sample.

# Log to syslog
Syslog            yes
# Required to use local socket with MTAs that access the socket as a non-
# privileged user (e.g. Postfix)
UMask            007

# Sign for example.com with key in /etc/dkimkeys/dkim.key using
# selector '2022' (e.g. 2022._domainkey.example.com)
Domain            hope.cz
KeyFile        /etc/dkimkeys/dkim.key
Selector        2022

# Commonly-used options; the commented-out versions show the defaults.
Canonicalization    simple
Mode            sv
SubDomains        no

# Socket smtp://localhost
#
# ##  Socket socketspec
# ##
# ##  Names the socket where this filter should listen for milter connections
# ##  from the MTA.  Required.  Should be in one of these forms:
# ##
# ##  inet:port@address           to listen on a specific interface
# ##  inet:port                   to listen on all interfaces
# ##  local:/path/to/socket       to listen on a UNIX domain socket
#
#Socket                  inet:8892@localhost
Socket            local:/var/run/opendkim/opendkim.sock

##  PidFile filename
###      default (none)
###
###  Name of the file where the filter should write its pid before beginning
###  normal operations.
#
PidFile               /var/run/opendkim/opendkim.pid


# Always oversign From (sign using actual From and a null From to prevent
# malicious signatures header fields (From and/or others) between the signer
# and the verifier.  From is oversigned by default in the Debian pacakge
# because it is often the identity key used by reputation systems and thus
# somewhat security sensitive.
OversignHeaders        From

##  ResolverConfiguration filename
##      default (none)
##
##  Specifies a configuration file to be passed to the Unbound library that
##  performs DNS queries applying the DNSSEC protocol.  See the Unbound
##  documentation at http://unbound.net for the expected content of this file.
##  The results of using this and the TrustAnchorFile setting at the same
##  time are undefined.
##  In Debian, /etc/unbound/unbound.conf is shipped as part of the Suggested
##  unbound package

# ResolverConfiguration     /etc/unbound/unbound.conf

##  TrustAnchorFile filename
##      default (none)
##
## Specifies a file from which trust anchor data should be read when doing
## DNS queries and applying the DNSSEC protocol.  See the Unbound documentation
## at http://unbound.net for the expected format of this file.

TrustAnchorFile       /usr/share/dns/root.key

##  Userid userid
###      default (none)
###
###  Change to user "userid" before starting normal operation? May include
###  a group ID as well, separated from the userid by a colon.
#
UserID                opendkim

AutoRestart             Yes
AutoRestartRate         10/1h
UMask                   002
Syslog                  yes
SyslogSuccess           Yes
LogWhy                  Yes
LogResults  yes

Canonicalization        relaxed/simple

ExternalIgnoreList      refile:/etc/opendkim/TrustedHosts
InternalHosts           refile:/etc/opendkim/TrustedHosts
KeyTable                refile:/etc/opendkim/KeyTable
SigningTable            refile:/etc/opendkim/SigningTable

Mode                    sv
PidFile                 /var/run/opendkim/opendkim.pid
SignatureAlgorithm      rsa-sha256

UserID                  opendkim:opendkim

Socket                  inet:12301@localhost


Can you see amy problem?

Thanks



On 03/12/2024 12:56, Bluejay Adametz via Postfix-users wrote:
Is it possible to upgrade OpenDKIM only?Will it solve  the problem?
Are you sure your opendkim version is the problem and verifier.port25.com isn't just 
saying "maybe your version might be the problem", especially since it's talking 
about PowerMTA and not opendkim?

Send yourself an Email and examine the headers to see if there actually IS a DKIM 
signature. Check your mail logs to see if you're signing at all (you're looking for 
"DKIM-Signature field added"), and if not, why.

These options in your opendkim.conf should help:
Syslog  yes
SyslogSuccess   yes
LogWhy  yes
LogResults  yes

                                                          - Bluejay Adametz

I don't mind going nowhere
as long as it's an interesting path. - Ronald Mabbitt

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