Kalpin Erlangga Silaen:
> Dear Ram,
>
> On Mon, Apr 20, 2009 at 3:23 PM, Ramprasad <r...@netcore.co.in> wrote:
> > Kalpin Erlangga Silaen wrote:
> >>
> >> Dear All,
> >>
> >> is it possible to deliver all emails from a certain domain to 2 or 3
> >> server ?
> >>
> >> eg.
> >> server 1 with ip 10.100.200.2 accept domain abc.com
> >> server 2 with ip 10.100.200.3 accept domain abc.com
> >>
> >> both of server have exactly configuration and user/mailbox replication.
> >>
> >> We need do this since server 1 located in our internal and mostly
> >> every weekend has eletrical problem. Server 2 more stable. So we want
> >> all email replicate to other server.
> >>
> >>
> >
> > use a virtual_alias_map to copy every mail to the backup server
> >
> > eg
> > u...@abc.com ? u...@abc.com,u...@backup.abc.com
> >
> > Now send mails for abc.com & backup.abc.com to respective servers
> > You may use smtp rewrite to remove the "backup." from username before
> > sending to the second server
> >
>
> We have thousands user (with single domain to handle). Will we have
> thousand lines too ?
/etc/postfix/main.cf
recipient_bcc_maps = pcre:/etc/postfix/recipient_bcc.pcre
/etc/postfix/recipient_bcc.pcre:
/^(.+)@example\.com$/ $...@backup.example.com
Test command:
$ postmap -q u...@example.com pcre:recipient_bcc.pcre
u...@example.com u...@backup.example.com
http://www.postfix.org/postconf.5.html#recipient_bcc_maps
http://www.postfix.org/pcre_table.html
http://www.postfix.org/postmap.1.html
Wietse
