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Have Imail Server V 11.5

How do I tell the SMTP to only accept connections from my Postini account??

asked 12/16/2011 09:18

dougp23's gravatar image

dougp23 ♦♦


4 Answers:
I beleive this is waht you are looking for:

http://docs.ipswitch.com/_Messaging/IMailServer/v11.5/Help/Admin/

Simply "deny all" except your internal IP address and the IP address(es) of Postini.  The problem with that is if you have mobile users not using a VPN, they won't be able to send e-mail.

I'm not sure how much flexibility you have with Postini.  If possible, you could set the SMTP port for your iMail server to an alternate port (587 is often used), then configure Postini, and your client computers, to connect on that port.  Another option might be to restrict iMail to only accept authenticated (userid/password) SMTP sessions, again if Postini can do that.
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answered

BudDurland's gravatar image

BudDurland

Thanks Bud.

This is exactly what I thought (at first I only added the Postini IPs but sending was totally impossible, then I realized I had to allow the servers IP).  So I got that far, and then I went home and can't send anything from my IPad.  I believe you are right...this is something Postini needs to do for me.  I just need to read up on it a bit and see what kind of flexibility it gives me.

Do you do much with IMail Server or did you just find the link??  ;-)
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answered 2011-12-17 at 09:25:26

dougp23's gravatar image

dougp23

Both.  I used iMail for many years.  The company I'm with now uses Kerio Connect (another really good mail server)
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answered 2011-12-17 at 16:02:04

BudDurland's gravatar image

BudDurland

Thanks.  I a going to give my Postini reseller and Ipswitch a call on Monday and see if we can make this happen!  The Imail server seems to do pretty good just with default settings (a check on MX Toolbox shows I am not relaying, etc etc).

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answered 2011-12-17 at 16:35:40

dougp23's gravatar image

dougp23

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Asked: 12/16/2011 09:18

Seen: 1793 times

Last updated: 12/17/2011 07:56