DMARC ViolationAS21299 - ASN prepending 255 times

Bjørn Mork bjorn at
Fri Mar 25 09:04:21 UTC 2022

Paschal Masha <paschal.masha at> writes:

> :) probably the longest prepend in the world.
> A thought though, is it breaking any standard or best practice procedures?

Don't think so.  But there is this draft suggesting max 5:


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