Hi
My normal traffic is about 30 queries per second - this is my mx (incomming)

systemctl show postfix@-.service |grep -i limit
MemoryLimit=infinity
ManagedOOMMemoryPressureLimitPercent=0%
LimitCPU=infinity
LimitCPUSoft=infinity
LimitFSIZE=infinity
LimitFSIZESoft=infinity
LimitDATA=infinity
LimitDATASoft=infinity
LimitSTACK=infinity
LimitSTACKSoft=8388608
LimitCORE=infinity
LimitCORESoft=0
LimitRSS=infinity
LimitRSSSoft=infinity
LimitNOFILE=524288
LimitNOFILESoft=1024
LimitAS=infinity
LimitASSoft=infinity
LimitNPROC=515047
LimitNPROCSoft=515047
LimitMEMLOCK=65536
LimitMEMLOCKSoft=65536
LimitLOCKS=infinity
LimitLOCKSSoft=infinity
LimitSIGPENDING=515047
LimitSIGPENDINGSoft=515047
LimitMSGQUEUE=819200
LimitMSGQUEUESoft=819200
LimitNICE=0
LimitNICESoft=0
LimitRTPRIO=0
LimitRTPRIOSoft=0
LimitRTTIME=infinity
LimitRTTIMESoft=infinity
LogRateLimitIntervalUSec=0
LogRateLimitBurst=0
StartLimitIntervalUSec=10s
StartLimitBurst=5
StartLimitAction=none



W dniu 27.03.2025 o 12:52, Wietse Venema via Postfix-users pisze:
natan via Postfix-users:
Hi
I upgrade from debian10 to debian11 and init.d to systemd

In old debian I dont have any probles but in debian11 in systemd (after
4h) I get many

ar 27 10:17:01 node2 postfix/smtpd[4005054]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Try turning off SeLinux.

# echo SELINUX=disabled >> /etc/selinux/config
# reboot

        Wietse

Mar 27 10:17:01 node2 postfix/smtpd[4005054]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4009570]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4009570]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4004444]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4004444]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4001879]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4001879]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4008859]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4008859]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4002598]: warning: connect to
private/policy-spf: Resource temporarily unavailable
Mar 27 10:17:01 node2 postfix/smtpd[4002598]: warning: problem talking
to server private/policy-spf: Resource temporarily unavailable

After some (4h) i get more Resource problem with all in master.cf

...
policyd-lemat3 unix - n n - - spawn user=nobody
argv=/usr/local/bin/policyd-lemat3

policy-spf  unix  -       n       n       -       -       spawn
       user=nobody argv=/usr/bin/policyd-spf
...



The difference between the old and the new is that in the master.cf in
the new one I have an additional milter and the changes for it:
old master.cf:

....
cleanup unix n - n - 0 cleanup
#beacuse

policyd-lemat3 unix - n n - - spawn user=nobody
argv=/usr/local/bin/policyd-lemat3

policy-spf  unix  -       n       n       -       -       spawn
       user=nobody argv=/usr/bin/policyd-spf
....


new master.cf:
....
#I changed this beacuse i had a problem with milter-regexp:
cleanup unix n - y - 0 cleanup -----> maby this ?

policyd-lemat3 unix - n n - - spawn user=nobody
argv=/usr/local/bin/policyd-lemat3

policy-spf  unix  -       n       n       -       -       spawn
       user=nobody argv=/usr/bin/policyd-spf
....

main.cf:
....
#dkim - inet:localhost:12301
#milter-regexp - unix:/var/run/milter/milter-regex.sock
smtpd_milters = unix:/var/run/milter/milter-regex.sock,inet:localhost:12301
non_smtpd_milters =
unix:/var/run/milter/milter-regex.sock,inet:localhost:12301
milter_default_action = accept
milter_protocol = 6
....

I dont have any idea

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