[Zope] Pseudo E-Mail Address validation

[Frank Tegtmeyer]

> e-mail address exists or not, when you actually send a mail to the user, 
> but a quick-n-dirty check would be nice. Maybe even complete RFC-compliancy 
> as implemented in some Perl-Modules? (spaces, "@" sign, dot-notation etc.)

There is a "monster" regular expression made by Tom Christiansen I think.
A link is on
http://www.perl.com/pub/doc/manual/html/pod/perlfaq9.html#How_do_I_check_a_valid_mail_addr 

The regular expression may be used in Python too I think.

Regards, Frank