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> Mail routing
post Apr 26 2006, 09:31 AM
Post #1

Whats this Lie-nix Thing?

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Joined: 26-April 06
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I have a general question regarding mail routing.
I have two sites with a mail server and a different domain at each site. Site A is and site B is Site A is also hosting a common domain which is

I need to send emails to Site B which will send it to Site A.
So imagine user john with needs to send an email to without knowing if bob.bob is a site A or site B user.
john.john sends an email like this:


The mail server at site A receives it and after a lookup in the entry directory finds out that bob.bob is a member of site B. It then sends the following email to Site B mail server.


but bob.bob would like to answer with its address, how does he do that? How does mail server at site B knows that it should forward the email to site A web server in order to have the email forwarded with the address I have no clue.


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