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the full question is: The 'mail name' is the domain name used to 'qualify' mail addresses without a domain name. 

This name will also be used by other programs. It should be the single,
fully qualified domain name (FQDN).  

Thus, if a mail address on the local host is foo@example.org, the
correct value for this option would be example.org

then it tells me to enter it. this error came up while i was installing some required packages for Hamachi that it wouldn't install. thank you for any help.

jaw2233
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1 Answers1

4

The application is asking for your domain name for emailing. If you have a domain that you are on, you would just type that in like:

example.com

But if you don't have a domain that you are part of, the hostname of your computer would be the domain name. To get your hostname, it is either the name right after the @ in the terminal prompt, or you type in hostname from the prompt to get your hostname:

terrance@terrance-ubuntu:~$

terrance@terrance-ubuntu:~$ hostname
terrance-ubuntu

Hope this helps!

Terrance
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