On Jan 27, 2012, at 8:52 AM, Wietse Venema wrote: > Matteo Cazzador: >> Hello, i'va a particular question about mail server. >> Suppose a customer have more than one locations >> in different geographic sites, each one with a mail server with the same >> domain. > > Suppose all email addresses have the form "u...@example.com", that > the company has two locations site-a and site-b, and that the mail > servers are mail.site-a.example.com and mail.site-b.example.com. > > There is no need to deliver every email message to every mail server. > Instead, you set up one virtual alias for every user: > > us...@example.com us...@mail.site-a.example.com > us...@example.com us...@mail.site-a.example.com > us...@example.com us...@mail.site-b.example.com > > user1 will receive all their mail on mail.site-a.example.com, and > will read all their mail there. > > There is no need for complex synchronization protocols. Instead, > you use SMTP to deliver mail to the right server. > > Wietse
sorry to thread jump, weiste, is it more efficient in this case to run a virtual alias over a transport map ? does one way out perform another ? i have a simliar scenario but i use a transport map. -j
