On Wednesday 27 February 2002 11:51 am, Bhoopendra Singh wrote:
> Recently we have encountered a problem (bug) in our Sendmail 8.9.x . Any
> user after telnetting at port 25 is able to impersonate as someone else
> &�send mails to anyone

That's not a bug - its the way SMTP works. If you don't like it, enable
ESMTP AUTH on your mailserver. And use pgp/gpg signed emails for really
important stuff.

You'll find even qmail behaving the way sendmail did.

Binand

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