gmail and microsoft keeps marking my emails as spam

I am looking for some advice for my mail server setup for my domain right now its a hobby project while i am being laid off

i have setup my mail server using

Centos 8
Postfix v3.3.1
Dovecot v2.2.36
Secitogo PositiveSSL (DV)
opendkim v2.11.0

and i am always getting marked for spam by gmail and Microsoft

here is my dns records

v=spf1 a mx ip4: ~all

_dmarc v=DMARC1; p=reject;;


2 Replies

Did you just start to send mail today?

It can take time to get a good rep for your IP.

no its been a month


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