Debian 7 many mail problems

[sascha]

debian 7 with ISPmanager-Lite 4.4.10.17

i've try to make a mailgroup from notfall@domain.com to info@domain.com and technik@domain.com

but the mailer daemon gives a failure:

This is the mail system at host domain.com.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

The mail system

<info@domain.com> (expanded from <notfall.domain.com@domain.com>): unknown user:
"info"

<technik@domain.com> (expanded from <notfall.domain.com@domain.com>): unknown
user: "technik"

i've tryed to reinstall debian 7 and ispmanager but the same error

[fly]

Hello,

What MTA is using? I saw the same issue with postfix.
Try to set vituser_name of mailbox info@domain.com instead of "info" in ISPmanager-> E-mail groups -> Members.

[sascha]

Hi,

MTA is postfix. i've tryed info and info@domain.com, it is the same problem

[sascha]

oh no a second problem with ispmanager and Debian 7

when used "send a copy to" all senders become a mailer daemon

please fix this problems as soon as possible.
i have to use debian 7 with postfix, and i hope i can it use with ISPmanager soon....

[fly]

I have installed ISPmanager on Debian 7 and tried postfix. I didn't get any problem with email delivering.
For issue resolution needs to see settings of your server. Please write to us via BILLmanager -> Troubles tickets.

[sascha]

the problem is solved.
now anything OK.
thx