[Zope] Validate fields?

[Juergen Specht]

"Itamar S.-T." wrote:
> 
> ScherBi@BAM.com wrote:
> >
> > This may be heresy to some folk, but you're probably better off doing this
> > client side, if you are able.
> > The Javascript in Version 4.x and above Netscape (and IE too, I think) has a
> > regular expression engine built in.
> > An re to match all possible valid email addrs could be quite large however:
> > http://enterprise.ic.gc.ca/~jfriedl/regex/email-opt.txt
> 
> Or an External Method that verifies against the correct SMTP server that the
> email exists .  An amazing amount of our gretting cards bounce due to bad
> email addresses.
Forget this...the most SMTP-Servers did not allow the VRFY-Command 
anymore, because of security reasons.

And this check can take a long time...

Juergen