Hi people, suppose my domain is "company.com".

My email users are as this: [email protected]

Is normal that I can send a mail from [email protected] to
[email protected], from a public IP not belonging to my company?

In my case, I am at home and I execute:

$ telnet smtp.company.com 25
ehlo company.com
mail from: [email protected]
rcpt to:[email protected]
data
test
.

and finally the message arrives to may Inbox.

Because I suppose that the normal behavior is sending mail from local
address just from an internal IP...not from external.

Thanks a lot, regards!!!

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