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sendmail can be configured to send mail for fred@abc.com to user fred.abc and mail for fred@xyz.com to user fred.xyz.<br />
Then you make mail.abc.com and mail.xyz.com point to the same machine and tell the two fred's to login using fred.abc or fred.xyz.<br />
This solution is fairly straightforward to configure using linuxconf or whatever point-and-click interface you prefer for sendmail.<br />
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It would probably also be possible to run two instances of your pop3 server for mail.xyz.com and mail.abc.com but I think it would require two separate ip-addresses to differentiate between the two.<br />

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sendmail can be configured to send mail for fred@abc.com to user fred.abc and mail for fred@xyz.com to user fred.xyz.
Then you make mail.abc.com and mail.xyz.com point to the same machine and tell the two fred's to login using fred.abc or fred.xyz.
This solution is fairly straightforward to configure using linuxconf or whatever point-and-click interface you prefer for sendmail.

It would probably also be possible to run two instances of your pop3 server for mail.xyz.com and mail.abc.com but I think it would require two separate ip-addresses to differentiate between the two.


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the question wasnt really answered
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ok i have two domains &nbsp;abc.com and xyz.com. &nbsp;fred@abc.com and fred@xyz.com would be valid email accounts, but totally separate. &nbsp;I want fred@abc.com to access his account through mail.abc.com and fred@xyz.com to acces his account through mail.xyz.com. &nbsp;Its my understanding that Sendmail will recieve mail from both accounts but the two mail boxes would be the same, Qmail on the other hand would keep them totally separate. &nbsp;Also i only have one IP.. Can someone if i understand this and what would be the best solution. also where to go to get good docs on implementing the solution
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ok i have two domains  abc.com and xyz.com.  fred@abc.com and fred@xyz.com would be valid email accounts, but totally separate.  I want fred@abc.com to access his account through mail.abc.com and fred@xyz.com to acces his account through mail.xyz.com.  Its my understanding that Sendmail will recieve mail from both accounts but the two mail boxes would be the same, Qmail on the other hand would keep them totally separate.  Also i only have one IP.. Can someone if i understand this and what would be the best solution. also where to go to get good docs on implementing the solution

Qmail vs Sendmail for Virtual Domain

The variety of Linux distributions creates myriad issues relating to configuration and operations when computers are networked, not the least of which is the use of various network management applications, some of which are included with specific distributions, while others are standalone applications.