ekaterina_cat2020-08-21 04:44:57
Mail server
ekaterina_cat, 2020-08-21 04:44:57 and localhost in the email header is that ok?

In the email headers, the received field has and localhost in several places.
Is it worth filtering it out? Or can you leave it and it won't affect email deliverability and spam filters?
And the question - received from occurs 4 times in the letter header. Is that normal?

On mail tester 10/10
I use iredmail (postfix)

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2 answer(s)
fischerufa, 2020-08-21

Removed via header_checks
As an example
/^Received:/ IGNORE
/^User-Agent:/ IGNORE
/^X-Mailer:/ IGNORE
/^X-Originating-IP:/ IGNORE
/^X-PHP-Originating-Script/ IGNORE

xmoonlight, 2020-08-21

It's better to remove all headers before your output mail-gate.

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