communigate-domainkeys-dkim

DKIM/DomainKeys signer for CommuniGate CGP free (implemented as a Content-Filtering script)

External library

cpan install Mail::DKIM::Signer

cpan install Mail::DKIM::DkSignature

cpan install Mail::DKIM::TextWrap

cpan install Getopt::Long

cpan install Pod::Usage

How-to config

/var/CommuniGate/Settings/Main.settings

ExternalFilters = ({Enabled=YES;LogLevel=5;Name=SIGN;ProgramName="/usr/bin/perl /var/CommuniGate/sign.pl";RestartPause=5s;Timeout=10m;});

/var/CommuniGate/Settings/Rules.settings

( ( 6, "SIGN DKIM", ( (Source, in, "trusted,authenticated"), ("Header Field", "is not", "Dkim-Signature:*"), ("Any Route", is, "SMTP*") ), ((ExternalFilter, SIGN), ("Stop Processing")) ) )