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I currently use postfix to send mail using @domain1.com addresses, mail reception for this domain are handled directly by my provider (OVH). So far so good mails are sent using DKIM no problem.

However I got to change my domain name to domain2.com. So I bought domain2.com and redirected it to the same server as domain1.com. The problem is that this time I want to use my own Mail server for sending and receiving. So

I did reconfigure postfix to handle Virtual host for domain2.com. This works nicely.

Now I would like to send email from domain2.com AND domain1.com but I can't find how to do that since domain2.com is a virtual host.

Whenever a mail is sent from a user on my server, it'll have domain1.com (myorigin parameter from postfix config ?)

So how would you send mail with a virtual account from domain2.com?

Hope I was clear!

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  • Which client would you like to use to send your mail from domain2.com?
    – dan
    Feb 8 at 9:57

2 Answers 2

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By using a sender address that contains domain2.com, of course.

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  • Well even if the tone is a bit condescending you're right, for whoever read this, sendmail has a -f do to such things Apr 27, 2012 at 7:07
  • Excuse me ? Where did you mention sendmail(1) ? I am not a mind reader.
    – adaptr
    Apr 27, 2012 at 10:57
  • Well I did put that in the tag but it has been edited. Apr 27, 2012 at 11:54
  • If you'd tagged it as sendmail that would mean the MTA, not the program...
    – adaptr
    Apr 27, 2012 at 13:54
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    So offload this task to somebody who is.
    – adaptr
    Apr 27, 2012 at 14:24
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You can't achieve this at the Postfix config level since you have a uniq config for 2 domains. You have to work at the MUA ( email client ) level.

If your email client use the EMAIL variable, you can easily achieve sending from domain2.com by setting this variable as follows:

EMAIL=bob@domain2.com
export EMAIL
email_client

your email client will place the -f bob@domain2.com where it suits within the flow of arguments passed to sendmail(1) which will build a mail with:

From bob@domain2.com

as wanted.

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