Yet another "disable outgoing scan" question

[Alex Neuman]

If you can trust postfix not to allow anyone who "says" they're from your domain to go through your server without authentication, it should be enough.

Now, if someone authenticates and sends out a virus or spam, how would you deal with it? Just curious.


On Feb 16, 2010, at 4:30 PM, Mauricio Tavares wrote:

> On Tue, Feb 16, 2010 at 4:18 PM, Alex Neuman <alex at rtpty.com> wrote:
>> You should make sure the e-mails that go through your server that say they're from your domain actually *are* from your domain.
>> This is done at the MTA level.
>> 
>      That I think I am already doing: I told my MTA, postfix, to
> always do smtp auth. Should that suffice?
> 
>> On Feb 16, 2010, at 3:41 PM, Mauricio Tavares wrote:
>> 
>>>      As the subject states, I would like to disable outgoing scan.
>>> Now, from what I saw in mailscanner.conf and was explained in the irc
>>> channel, I should set Scan Messages = my ruleset file and then have
>>> something like
>>> 
>>> From:     my.domain.com no
>>> FromOrTo: default           yes
>>> 
>>> in the file. Question I have is would the first line cause emails
>>> pretending to be coming from my domain not to be scanned? If so, how
>>> would I make sure only the emails that truly originate from my domain
>>> not be scanned?
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