Reply to: Sanford Whiteman
Re: [IMail Forum] Store and Forward on Tuesday 1:43:46 PM
Well first, if someone tries a dictionary attack this is normally shut
off by BlackIce Server Protection long before they find an address and
second if they succeed and try and relay those are captured by Declude
Hijack. There are reliable fallbacks here, at least in our
observations.
--
Roger Heath
[EMAIL PROTECTED]
www.rleeheath.com
----- Copy of Original Message(s): -----
>> With 'Relay for Local Users' the inconvenience I would have is that
>> my remote user's server I'd have to put in every email address in
>> the accept.txt, right?
S> You should never use 'Relay for Local Users' nor 'Local Hosts.' This
S> is a very hard rule.
S> The moment you activate one of these options, anyone who can perform
S> just one successful dictionary attack can relay through your server.
S> Whether or not you use the accept.txt (which just gives more addresses
S> for an attacker to use), and no matter how "hard to guess" your domain
S> names seem to be, names like root, postmaster, etc. will allow instant
S> access to remote recipients.
S> I can't in good conscience tell you that anything having to do with
S> accept.txt is acceptable (manual vs. automatic updating, etc).
S> -Sandy
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