On Tue, 2009-09-29 at 00:58 -0300, Postfix User wrote: > I'm having an issue getting the smtp client to bind to an aliased IP > address. > > mail_version = 2.5.7 > > I've tried to no avail to have the smtp client use a aliased IP to > deliver mail but it insists on using the address of the interface the > aliased address is assigned to. > > # ifconfig eth2 && ifconfig eth2:1 > > eth2 Link encap:Ethernet HWaddr 00:15:17:6f:e6:1e > inet addr:142.22.75.146 Bcast:142.22.75.151 Mask:255.255.255.248 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:38366130 errors:0 dropped:0 overruns:0 frame:0 > TX packets:32267506 errors:0 dropped:0 overruns:0 carrier:0 > collisions:535231 txqueuelen:100 > RX bytes:10481726082 (9.7 GiB) TX bytes:33812562876 (31.4 GiB) > Base address:0xece0 Memory:fc7e0000-fc800000 > > eth2:1 Link encap:Ethernet HWaddr 00:15:17:6f:e6:1e > inet addr:142.22.75.147 Bcast:142.22.75.151 Mask:255.255.255.248 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > Base address:0xece0 Memory:fc7e0000-fc800000 > > > I've tried the following in main.cf ... > > smtp_bind_address = 142.22.75.147 > > I've also tried the following in master.cf ... > > smtp unix - - n - - smtp > -o smtp_bind_address=142.22.75.147 > > Reading a correlation between smtp_bind_address and inet_interfaces in > the docs I've also tried the following in main.cf ... > > inet_interfaces = $myhostname, localhost > > With the later netstat shows master binding to the aliased address > 142.22.75.147 and 127.0.0.1 and the smtpd server receives mail fine on > the aliased address however the smtp client persists in using > 142.22.75.146 to deliver mail to other hosts. > How can you say that ? The way of checking is send a mail to any other server. And check the full headers for the ip used. Dont use netstat. The smtp connection will not last too long for your inspection.
> tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN > 27605/master > tcp 0 0 142.22.75.147:25 0.0.0.0:* LISTEN > 27605/master > > No this is not smtp client , this indicates smtpd listening for incoming messages. Dont confuse smtpd with smtp > What am I missing? I dont think there is anything. You are probably already meeting your requirement > > Thanks > -- >
