a problem about hostname?

[oneflower Xu]

hello :

My system:
         FreeBSD 4.2 release
         Apache 1.3.14
         php 4.03pl1
         mysql 3.22.32
         qmail 1.03
         vpopmail 4.9.4
         sqwebmail 0.99

   My host name is  mail.flower.net
   my domain name is flower.net.
   sqwebmail show my email address "Folder - INBOX [EMAIL PROTECTED] "
   how to chanet it to [EMAIL PROTECTED]

   Thanks,

            oneflower Xu
            [EMAIL PROTECTED]