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Re: Sendmail Access.db help



Yang Xiao said:
> Hello,
> I'm trying to prevent anyone from spoofing incoming mail as internal
> users. Example, my domain is mydomain.com
> I don't want to anyone to connection to my mail gateway and send
> emails as user mydomain com from the outside.
>
> I thought this can be done by access table and it's working. but the
> problem now is that it's rejecting local mail that it's trying to
> forward to the mailhost as well, how can I fix this?
>
> #access table
> # Check the /usr/share/doc/sendmail/README.cf file for a description
> # of the format of this file. (search for access_db in that file)
> # The /usr/share/doc/sendmail/README.cf is part of the sendmail-doc
> # package.
> #
> # by default we allow relaying from localhost...
> 127.0.0.1               OK
> localhost               OK
> From:localhost          OK
> To:localhost            OK
> From:mydomain.com           ERROR:"550 Everything that has a
> beginning, has an end."
>
>
> Many thanks,
>
> Yang
>
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>



Have you read this:

http://www.sendmail.org/m4/anti_spam.html#access_db

If you are refusing to relay your own domain that is why you are rejecting
local mail, you can try putting in a rule that allows whatever network you
are using.

like this

192.168.1.0         OK




-- 
=======================
Dave Lester
dlester davenet org
http://www.davenet.org
=======================


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