Re: [cobalt-users] EXPN on a RaQ3

[Will DeHaan <will@xxxxxxxxxx>]

Sendmail's expn command can be used to help linux crackers so it is
disabled by default.  To enable it you can research Sendmail's option "O
PrivacyOption" then edit /etc/sendmail.cf.

Hint: replace "goaway" with "authwarnings" but please read up on
sendmail before you decide to do this.


	-- Will

"Jeff S. Lucido" wrote:
> 
> Listees:
> 
> On my regular Linux box I can telnet to port 25 and expn a user's e-mail
> address and it shows the user resolution on that machine. I am having
> trouble with e-mail for one of my customers so I telnet'ed to port 25 on my
> RaQ3 and it lets me in. When I try "expn joe@xxxxxxx" it returns the
> following: "502 Sorry, we do not allow this operation."
> 
> How can I get around this?
> 
> Thanks is advance!
> -JSLucido
> 
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