OpenDKIM too much header data


NethServer Version: 7.8.2003
Module: Mail

Hi guys,

I have a problem with sending some mails, especially with domain.
Most of them stays in the mail queue, in the mail log i’ve these messages:

mail postfix/cleanup[29708]: 8572B2006E701: milter-reject: END-OF-MESSAGE from localhost[]: 4.7.1 Service unavailable - try again later; from=************* to=*****
mail opendkim[26697]: too much header data

I’ve read about this “too much header data” and it seems that’a opendkim.conf settings, setting up “MaximumHeaders” value. I’ve tried it winth no success.

Anybody knows how to fix it?

Did you check opendkim and clamav logs?
Are the services running?
Are the affected mails sent after some retries?