Moin,
> There are some servers out there that enforce DNS rdns matching and
> ehlo/helo hostname matching.

Yeah, and I am fully with you that this should be the default. ;-)

Sadly, there also is 'a rather large ESP' that considers EHLO matching
FCrDNS more of a 'suggestion'.

With best regards,
Tobias

-- 
Dr.-Ing. Tobias Fiebig
T +31 616 80 98 99
M tob...@fiebig.nl

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