Sending mail within domain only

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#1 Thu, 08/05/2010 - 15:10

zer0

Sending mail within domain only

Hello, I would like to add restrictions to some email address and IP addresses that they can only send email within the domain, and not to outside world. we have a copier which can scan to email right from the machine which i want to restrict so it can only send email internally. How can I accomplish this?

Thank you

#2 Thu, 08/05/2010 - 15:20

ronald

can you not configure the copier to scan to LAN ftp folder only? that seems actually better.
Usually those multi-functional machines in the network have an IP which can be restricted.
For that machines IP you can make firewall rules for instance, but I would look at the configuration on the copier itself.

#3 Thu, 08/05/2010 - 16:43

zer0

it does scan to the folder as well, but people are lazy, maybe i'll just disable the whole function in the machine. What about some users, how can i restrict some users so they can not send email outside of the domain?

Thank you

#4 Thu, 08/05/2010 - 17:23

ronald

in our company we have 9000+ users. we cant have them email scanned documents all the time. so we use ftp to a shared drive.

as for resticting users to email to the world... I don't really know, I guess it depends on the mail server.
Per haps some firewall rules will help. IP source to IP destination

#5 Fri, 08/06/2010 - 08:02 (Reply to #4)

zer0

There has to be a way to restrict as per user, rather than IP, what if that person logs on from another computer.

#6 Sat, 08/07/2010 - 05:33

ronald

Per haps it is possible when you use LDAP, I believe it depends on your mailserver.
if you use postfix, look in webmin - Servers - Postfix Mail Server and click smtp client restrictions.

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