Thanks all for your help, it works now.
Reinaldo de Carvalho a écrit :
>> Thanks for your reactivity but the recipient field are all addressed to
>> proxy.foo.com and I've to discriminate by user account to redirect mail.
>> I find transport table by the link you've given to me and add :
>> transport_maps = hash:/etc/postfix/transport
>> to main.cf
>> user1@... :[default.foo.com]
>> user2@... :[new.foo.com]
>> transport file
>> The goal is to do a migration of our imap server. We want to attache the
>> service ip to proxy.foo.com and redirect mail wherever they must go.
>> Am I wrong with this method ? Do I've to check elsewhere ?
> This work, but you need to do recipient validate for don't generate
> bounces as example sent by Wietse.