* Rolf E. Sonneveld <r.e.sonnev...@sonnection.nl>:

> >I was able to work around the delivery problems by stripping the DKIM
> >headers on outgoing mails (as so often).
> 
> Do you mean a Cisco ASA/PIX firewall with 'smtp protocol fixup'
> effectively blocks _any_ message carrying a DKIM-signature header?

No, it's blocking SOME, but in order to make those pass, I had to
strip off the DKIM Headers, and suddenly they would go through:

smtp_header_checks=pcre:/etc/postfix/no_dkim.pcre

/^DKIM-Signature:/  IGNORE
# this strips a DKIM Signature

> I've always wondered why they call it 'smtp protocol fixup', they'd
> better call it 'smtp protocol breakdown'.

One really has to wonder about this.

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | http://www.charite.de
            

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