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Mail app sends my IP in email headers [Resolved]

I just sent my first email using the Mail app through a fully functional email Postfix+Dovecot server.

I am worried by the fact that it also sends my IP address and hostname along with it.

The header that is causing this is Received:

Received: from mycomp-mbp.domain_not_set.invalid ( [IPHERE]) by (Postfix) with ESMTPSA id 70F1D1B459 for ; Fri, 1 Feb 2019 11:17:45 +0100 (CET)

How can I instruct Mail app to not send this information along the way?

Question Credit: potato
Question Reference
Asked February 2, 2019
Posted Under: Apple
1 Answers

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