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Re^2: Postfix: Piping an email into a PERL script

by Zzenmonk (Sexton)
on Apr 26, 2013 at 15:22 UTC ( #1030854=note: print w/replies, xml ) Need Help??


in reply to Re: Postfix: Piping an email into a PERL script
in thread Postfix: Piping an email into a PERL script

This is definitely something one should think of. My solution is implemented behind the MTA of the network. The MTA takes care of security in my case. I mean as good as it can (DNSBL, spam filter and so on).

The best medicine against depression is a cold beer!
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Re^3: Postfix: Piping an email into a PERL script
by MidLifeXis (Monsignor) on Apr 26, 2013 at 15:26 UTC

    Is there a need to protect against internal users spoofing this? It is quite easy to speak SMTP.

    --MidLifeXis

      Indeed! And I do not know how to protect a mail server from faked headers! I mean you can just telnet the port 25 of a MTA and write whatever you want. Mail is a risk, remains a risk and will always remain a risk.

      The best medicine against depression is a cold beer!

        Since the transport is insecure, armor the message. See gpg (or the like) as one possible way to assist. It could be set up so that only a validly signed message from an allowed user can pass through.

        I am not saying you have to go this route, just pointing out some weaknesses in the area of security, and this will probably be the last I say on this particular thread.

        --MidLifeXis

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