How can I allow outgoing to certain domains only?

Question asked by maniargaurav - 4/9/2015 at 10:16 AM

Unanswered

Hello,

I would like to restrict outgoing emails to certain domains that I have client. I would like to block some specific domains. Like, I don't want my user to send email go gmail.com, yahoo.com, hotmail.com, etc. How can I do this? Please help.

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Joe Wolf Replied

4/9/2015 at 6:34 PM

Yes, there are a few ways to accomplish what you want to do. The first option would be if you run your own DNS Server on your SmarterMail server you could just create a zone for any domain you want to disallow and point the A and MX records to your own server (they get a bounce). The second way would be to put an entry in your hosts file ( usually at C:\Windows\System32\drivers\etc ) for each domain you want to block. A third option would be to create the domain you want to block on your own server. The downside to this is that each domain would use at least one user on your license if you don't have an unlimited license. So you could just create the domain gmail.com and have one user such as aljdsdlfjafj and everything sent to gmail.com would fail. I could probably come up with another way, but any of the above should work fine.

Thanks, -Joe

maniargaurav Replied

4/10/2015 at 2:00 PM

Hello Joe, Thanks for Answer. The problem is I have to allow emails to be send to selected few domains and I have to block rest of the domains. For Example I have to allow only for 123.com, microsoft.com and gaurav.com and block the rest. How this can be achieved?

Gaurav Maniar Expert

Joe Wolf Replied

4/10/2015 at 6:54 PM

Well you could set up a Content Filter on the domains you want to delete messages to the domain list. The only problem with this method is that the Domain Administrator could alter or delete the Content Filter.

Thanks, -Joe

Linda Pagillo Replied

6/9/2016 at 11:21 AM

Good afternoon. This question has been asked 5 or 6 times in this forum, but I don't believe it has ever been fully answered with a working solution for specific needs. We just did some testing on this and it looks like there may not be a way to do what you are asking in Smartermail. However, you can use Declude content filters to accomplish this. If you don't already know, Declude is free anti-spam software that we offer on our website. You can download it here http://mailsbestfriend.com/downloads. You don't have to use it for spam filtering. You can simply configure it with the specific filters that you need to use without affecting anything else on your server. I hope this helps.

Linda Pagillo Mail's Best Friend Email: linda.pagillo@mailsbestfriend.com Web: www.mailsbestfriend.com Authorized SmarterTools Reseller Authorized Message Sniffer Reseller

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