Sendmail privacy flags in MailScanner init script
Ugo Bellavance
ugob at camo-route.com
Fri Sep 1 22:10:03 IST 2006
Steve Freegard wrote:
> Hi Ugo,
>
> Ugo Bellavance wrote:
>> Hi,
>>
>> In the MailScanner init script, privacy options are stated for
>> sendmail:
>>
>> -OPrivacyOptions=noetrn
>>
>> Why is that? Shouldn't these settings be defined in sendmail.mc (cf)?
>
> I suspect this is a safety net -- you really really don't want the
> incoming Sendmail process to allow ETRN for any hosts, because ETRN
> would result in message being delivered to the host directly from
> mqueue.in, bypassing MailScanner completely.
>
> It's in the initscript for MailScanner so you don't have to remember to
> put it in the privacy options and rebuild the .cf file when you install
> MailScanner.
I understand, but I think that most sendmail package disable etrn by
default. This is slightly problematic when you want to use different
privacy options like goaway, you have to edit the init script...
>
>>
>> Does that override the settings in the config file?
>>
>
> Yes -- but only for the incoming Sendmail process, the outgoing process
> will use whatever is configured in the .cf file.
OK
>
>
> Cheers,
> Steve.
Ugo
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