sendmail traffic distribution

<p>Hi,</p> <p>I use sendmail as MTA.</p> <p>I've two different IPs of the same subnet on the same Interface e.g.:</p> <pre><code>eth0: 192.168.0.1/24 DNS name: smtp.example.com - All traffic out through this IP. eth0:0: 192.168.0.2/24 smtp1.example.com </code></pre> <p>I want to route some of the emails through 192.168.0.2? as well as 192.168.0.1 will remain on the same interface. Any possibility??????</p>