Difference between mail. and pop. & smtp.?

Posted by Lea Hayes on Pro Webmasters See other posts from Pro Webmasters or by Lea Hayes
Published on 2011-11-13T18:50:21Z Indexed on 2011/11/14 2:06 UTC
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domains

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email

When hosting a website I often notice that all of the following are defined under DNS:

POP = mail.example.com
SMTP = mail.example.com

versus

POP = pop.example.com
SMTP = smtp.example.com

Is it wise to use "mail.example.com" for both POP and SMTP when configuring a mail client?

What is the difference between each of the two approaches?

It seems to work fine (sends and receives mail as expected).

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