AS/400

[joachim.larsson () sigma se (Joachim Larsson)]

Hello all.

I played around with smtp on a as/400+domino machine and found two
obvious bugs, then notified IBM, revieved a ptf, then posted here.

1:  telnet (host) 25, then start feeding chars. After about 200-300
chars the smtp-subsystem will die, needing to be restarted.

2:  change your replyto-address and fromaddress to an non-existing
user/domain then mail to an non-existing user on the 400/domino. This
will cause the mail to loop endlessly between the smtp-subsystem and the
domino subsystem.

This is for general knowledge only, trying to "force" people with
400/domino to react and secure their machines.

Sincerely,
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