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Already followed the instruction http://www.linuxmail.info/postfix-multiple-ip-address-smtp-greeting/
I want that each time using 1 SMTP to send email, it just shows the information of 1 IP & 1 host name in the email header. Now I see that it always shows the information of Main IP & Main Hostname.
Detail in https://docs.google.com/document/d/1aCk7vvbP341FR2kd4zXqDVkZlE_8DArUrT6wlOZoiH0/edit
Thank you so much!

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Duplicate by same OP of closed question: serverfault.com/questions/365941/postfix-multiple-ip-address –  Lucas Kauffman Mar 3 '12 at 13:20
I need help.... –  user112746 Mar 3 '12 at 13:27
You need to be clearer about what help you require. Explain what you have done, and why that isn't working. Also explain what it is you are trying to achieve. –  Iain Mar 3 '12 at 13:39
I've said very clearly in the article docs.google.com/document/d/… –  user112746 Mar 3 '12 at 14:07
ifconfig + route print 0*. I suppose s27 is your default gateway –  Lazy Badger Mar 4 '12 at 18:23

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