On Tue, 13 Aug 2002 09:35:44 -0400 (EDT) Richard Welty <[EMAIL PROTECTED]> wrote:
i am highly amused. something is misconfigured, but i'm not quite sure what
(whether it's my MTA, which is unlikely, or the maclaunch MTA, or what.)
specifically, the data section is supposed to end with a "." by itself on a
line. this was in my example. in theory, the "." in the example was
supposed to be converted to ".." during transit, and then converted back to
"." on delivery. instead, someone failed to escape it and then treated it
as a message terminator. the foibles of SMTP...
> data
> 354 Enter message, ending with "." on a line by itself
> Date: Tue, 13 Aug 2002 14:30 +0000
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Subject: Bwahahahahaha
>
> you'll never catch me.
>
> a friend
>
there was supposed to be a "." on a line by itself here, followed by:
250 OK id=17ebic-0001K4-00
quit
221 krusty1.krusty-motorsports.com closing connection
Connection closed by foreign host.
and then i made some further comments about the dialog is trivial, so
trivial that i can type it in from memory and have done so many times when
testing servers, and that means it's trivial for any half competent virus
writer to do it too.
richard
--
Richard Welty [EMAIL PROTECTED]
Averill Park Networking 518-573-7592
Unix, Linux, IP Network Engineering, Security
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