[lug] Email verification

[Ralf Mattes]

On Tue, 25 Apr 2000, Tran Ngoc Thanh wrote:

> Hi all,
> 
> Anyone knows the way to verify user email to be valid?. Especially in the
> case of the Relay host and after firewall (black box).
> 
> Let discuss!,
> Thanh-

Sign the original mail with PGP od even better with GPG. Anything
else can be tampered with. Looking at the full mail headers might
show you the most primitive attempts (like sending a fake 'From'
line), but anyone faking mail out of a reason other than fun will
be capable of hiding her tracks.

 Ralf

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| Ralf Mattes                         | ralf.mattes at pyramid.de      |==
| Programming, Administration         | rm at ns.aura.de               |==
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