1 Topic by kinneyscott5

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Topic: adding a second ip to my server

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hello

i would like to add a second ip to my centos server and was wondering what i should do to the 2nd ip to make it work

my first ip is set at mail1.domaine.com and i would like for the second ip to be at mail2.domaine.com

should i repeat all the steps that i did with the first ip or can i copy/past if possible , i'm not really sure

note that both ips will be on the same vps

thank you

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2 Reply by ZhangHuangbin

  • ZhangHuangbin
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Re: adding a second ip to my server

Check this tutorial:
http://www.iredmail.org/docs/send.out.e … esses.html

BTW, it's ok to use one IP address for multiple mail domains.

3 Reply by kinneyscott5

  • kinneyscott5
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Re: adding a second ip to my server

Hello

i've added my second ip to my server and now both my ips redirect to the same website , which means that the configuration was done right (hopefully)

i'm not sure i've explained myself really well , what i want is to use each ip as a "separate smtp" , is that possible ? you see i have a 3rd party app where i provide the login details and send mail.

so i don't know if it is possible or not but what i really want to acheive is this :

so my main ip , let call it 127.0.0.0 points to server1.mail.com
my second ip , let call it 127.0.0.1
i've contacted my server provider and they said that it is not possible for every ip to have it own hostname as a hostname is attached to the server and not the ip

so now i'm wondering if it is possible to point 127.0.0.1 to for example server2.mail.com ?

and that when i give my 3rd party app the server1.mail.com login , they should send mail using the first ip , and when i give the app the server2.mail.com it should be sent via the 2nd ip

is that achievable ? not that both ips are on the same server
thank you

4 Reply by ZhangHuangbin

  • ZhangHuangbin
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Re: adding a second ip to my server

kinneyscott5 wrote:

what i want is to use each ip as a "separate smtp" , is that possible ?

Yes, and just follow our tutorial mentioned in my last reply:
http://www.iredmail.org/docs/send.out.e … esses.html

kinneyscott5 wrote:

i've contacted my server provider and they said that it is not possible for every ip to have it own hostname as a hostname is attached to the server and not the ip

For SMTP service, you can define different HELO name with 'smtp_helo_name=' (mentioned in above link).

5 Reply by kinneyscott5

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Re: adding a second ip to my server

Hello

i've just did postconf mail_version and got
mail_version = 2.6.6
does this mean i can't do this ? or i can update my postfix and do it , if so how can i ? thanks

6 Reply by ZhangHuangbin

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Re: adding a second ip to my server

You have to upgrade Postfix to at least 2.7 first.

7 Reply by kinneyscott5

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Re: adding a second ip to my server

How can i do so?  I'm on centos 6.6.

Also will i lose everything on the server by updating it?

Thank you

8 Reply by ZhangHuangbin

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Re: adding a second ip to my server

Try postfix-2.11.6 here:
http://iredmail.org/yum/rpms/6/

9 Reply by kinneyscott5

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Re: adding a second ip to my server

works like charm , thank you zhang , you're a life saver <3