On Tue, 2009-09-29 at 14:28 +0530, ram wrote: > 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. >
Indeed, I've confirmed it by checking both headers and logs. Sorry about that, I thought that a little too obvious to mention. > > > 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 > I'm aware of that and it was mentioned, I showed the netstat output to show that postfix was using inet_interfaces as expected. FWIW I also tried this with just the aliased IP address. > > What am I missing? > > I dont think there is anything. You are probably already meeting your > requirement > As I've confirmed that it's not, any other suggestions? Thanks --
