You can do it, but you'll run into unexpected problems. For instance, my
boss accesses Exchange from OSX. The client he uses spontaneously sets the
headers to Asian character sets at times. It was _not_ good that my Postfix
header checks were bouncing his mail back to him then. I've also seen some
On Sat, 2011-10-29 at 18:42 +, Pat wrote:
> Is there a way to detect non-7bit headers such that they can be flagged for
> post-queue filtering? Postfix' header_checks (with or without PCRE) would be
> ideal
> but I'd like to know if this is doable in Spamassassin or Amavisd-new as well.
>
I'm an unapologetic ASCII bigot, at least in this space. It isn't just
smartphones, it's been years since folks found unicode homographs (?), code
points off in the weeds that look similar to ASCII characters, and started
registering internationalized domain names (IDNs) for links to fool people
in
Is there a way to detect non-7bit headers such that they can be flagged for
post-queue filtering? Postfix' header_checks (with or without PCRE) would be
ideal
but I'd like to know if this is doable in Spamassassin or Amavisd-new as well.
Before I get labeled an ASCII bigot the problem is securit
