Re: smtp probes

[Wichert Akkerman <wichert () wiggy net>]

Previously Hugo van der Kooij wrote:
> At least valinux and sourceforge setup a connect and will do some
> verification before they accept email. It could be that this behaviour is
> getting copied on other systems as well. I usually get some probes from
> them after a message from me is accepted via a mailinglist from
> securityfocus.

They do to make sure the sender address is valid so they can deliver
a bounce if needed. That check seems to stop a fairly large amount
of spam very effectively. It's an exim feature.

Wichert.

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