amavis: Blocked BAD-HEADER-0

Valentin Laskov <[email protected]> Thu, 5 Aug 2021 21:18:40 +0300
Newsgroups gmane.comp.kde.devel.kroupware
Message-ID <f8cca215-f44d-3c51-68f4-ec6d51c9bc5e__12258.0927492649$1628189128$gmane$org@festa.bg>
Hello,

Do you see such entries in the maillog and what would you advise me? 
Most of these letters are acceptable.

Regards!
Valentin

# cat /var/log/maillog | grep BAD-HEADER-0
AugĀ  3 05:41:11 mailserver amavis[4688]: (04688-01) Blocked BAD-HEADER-0 
{BouncedInbound,Quarantined}, [193.55.3.5]:44439 [195.2.6.17] 
<[email protected]> -> <[email protected]>, Queue-ID: 
2B1FE1A0143, Message-ID: 
<!&!AAAAAAAAAAAYAAAAAAAAABUPKkKibwdHmHEqbZeYmFnCgAAAEAAAAIUFFW3qKd9Hrym29GwuYMIBAAAAAA==@somedomain.com>, 
mail_id: e0Iuh3-1z_qR, Hits: -, size: 98532, 
dkim_sd=default:somedomain.com, 818 ms

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