Mailing List Archive: Qmail: users

Checking sender ID

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wongbali at telkom

Nov 20, 2009, 10:26 PM

Post #1 of 2 (1156 views)
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Checking sender ID

Dear All,

So far, our qmail allow all user sent messages as long as they are in our
LAN subnet.

I need advise how to limit qmail to allow users sending out messages (only)
if they use company domain. By that policy, user only able to send out
messages with 2 conditions:

1. In LAN subnet
2. Use specific (company) domain

All incoming messages should not effected by this setting. Is it possible?

Thank you so much for your help.

Best Rgds,

Wong

feh at fehcom

Nov 21, 2009, 8:57 AM

Post #2 of 2 (1044 views)
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Re: Checking sender ID [In reply to]

Hi Wong

--On Samstag, November 21, 2009 14:26:42 +0800 Wong <wongbali [at] telkom>
wrote:

> Dear All,
>
> So far, our qmail allow all user sent messages as long as they are in our
> LAN subnet.
>
> I need advise how to limit qmail to allow users sending out messages
> (only) if they use company domain. By that policy, user only able to send
> out messages with 2 conditions:
>
> 1. In LAN subnet
> 2. Use specific (company) domain
>
> All incoming messages should not effected by this setting. Is it possible?

Plain (= vanilla) qmail does not support this restriction.

However, you can use my 'Mail From: Address Verification' (MAV) patch for
qmail which allows you to setup those filter mechanisms.
MAV is also part of my SPAMCONTROL.

http://www.fehcom.de/qmail.html

regards.
--eh.

Dr. Erwin Hoffmann | FEHCom | http://www.fehcom.de/

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