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Shaun WingrinFlag for South Africa

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Outlook 2010 smtp - automatic or manual changing of smtp

Hi

Say we have a 2 port wan device with 2 different internet providers and they each only support their own smtp server. Outgoing mail sometimes fails to function due to the traffic going to the inappropriate wan. We are looking for a solution to overcome this. The only way we can think of is to provide the user with a shortcut to manually change their smtp setting when they see mail is failing - however this is much a complicated step for the user to update the settings on their own but would be simpler for the user to change the settings automatically with a click of a button or an icon using some kind of application or code.

Would it be possible to program the router and assign each smtp their own dummy port and have the router map the dummy port to the expected port to router down the appropriate wan connection???
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John
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I have had this situation and implemented a number of solutions over time.

1. Set up an Outlook account with the regular inbound email but the SMTP address for each provider. That, two accounts, two smtp addresses, one common inbound and set one to be default. Then when A needs to send from B, select the proper sending account.  Ensure the second account is not enabled for auto send/receive in Send/Receive Groups.

This works but requires a modest amount of effort. It is not complicated.

2. See if ISP A has a remote (portable) SMTP address that will work with ISP B. This almost always requires authenticating the sender address in Email Account, advanced settings, Outgoing Server tab. This works, but not everywhere and may not fit you.

3. What I use now is the portable sender from my Mail Supplier. This works everywhere, but I need an account with a Mail Supplier who is not related to my ISP. This works best (everywhere) but may not be adaptable to you.

I think Option 1 is the best course at this time.

.... Thinkpads_User
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ASKER

Thank you for options. I'm looking for a way to have a program or icon change the smtp in registry to save user having to change email send account. There are 3 accounts on users PC - making it 6 now...
Let us see if someone has a registry change program. I don't use or recommend such for two reasons:

1. The obvious - a wrecked registry can hose the machine.
2. A registry change has to be changed back. A temporary use of an Outlook SMTP will always go back to default.

... Thinkpads_User
Pls can anyone help with registry option. Tx.
I think the registry location for this is crazy complicated ... we use a product called Outlook Profiler to manage these for customers who want it. Sounds like overkill for this though. Maybe they could do a custom job for you.
Can you please send me a link to the Outlook Profiler as this just may do the trick....
Do you think this can help?

http://technet.microsoft.com/en-us/library/cc179062(v=office.14).aspx
Here is the link ... yes PRF files can work but I don't like messing with them ...
Tx 4 link - a bit costly...
PRF seems simpler as a simple change to smtp server required....
Any one done this?
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Member_2_4984608

I'm fairly sure hacking the registry is not the correct solution, your comment in the question regarding getting the router to do the work is closer to the mark. Are you sending email from 2 different domains, that each need to go to a specific smtp server, or would forcing all traffic to go to one SMTP server on one of your WAN connections do the job (ie will either of the 2 smtp servers you're using handle all the mail assuming you can get it to them?) This ought to be a simple case of adding an outbound rule on the router to force all connections to remote port 25 to go through a specific WAN port. What make/model of router are you using?
Another easy alternative would be to either run SMTP yourself, or use MailHop or another commercial SMTP provider that will accept connections from either of your WAN ports - getting the router to do the job is preferable though.
Please send links for Mailhop etc
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