On Wed 05/Oct/2022 03:13:28 +0200 Douglas Foster wrote:
Time for some data collection:

[...]

What are the maximum number of signatures ever observed on a single message?


I enable logging messages with more than 4 signatures. That's easy to grep in old logs. I found 7 messages since January having 6 signatures each. They were all from the same individual. I still found one of them:

Authentication-Results: wmail.tana.it;
  dkim=permerror header.d="@";
  dkim=permerror header.d=localhost;
  dkim=neutral (test key, signature verification failed) header.d=fladi.at;
  dkim=permerror header.d=openservices.at;
  dkim=permerror header.d=qraz.at;
  dkim=permerror header.d=firedata.at


Best
Ale
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