Re: New types of Trojans coming

Toen wij Robert Arnold kietelden, kwam er dit uit:
> Ruud H.G. van Tol:

>> Important is: SMTP authentication for existing local users.
>>
>> Access from external networks to the SMTP-server is blocked by most
>> ISPs. There is no real need to open it up for smtps.

> SPF requires it. If you're away from your "home" internet connection
> and connected via some other network, and you want to send email
> using your "usual" address, you're going to need to use your ISP's
> mailserver, otherwise you'll fail an SPF check on the recipient's end.

I don't endorse SPF, but an ssh-tunnel would also do.

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Grtz, Ruud