___  _____  ____  ____  _  _  _____  ____  ____
  / __)(  _  )(  _ \( ___)( \/ )(  _  )(_  _)(  _ \ 
 ( (__  )(_)(  )(_) ))__)  \  /  )(_)(  _)(_  )(_) )
  \___)(_____)(____/(____)  \/  (_____)(____)(____/
   PASTEBIN - CREATED: 2019/07/20 at 09:13 (CEST)

your paste:
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mail# cat smtpd.conf

# TLS certificates
pki mail.codevoid.de cert /etc/ssl/mail.codevoid.de.fullchain.pem
pki mail.codevoid.de key /etc/ssl/private/mail.codevoid.de.key


# virtual domains and aliases
table aliases file:/etc/mail/aliases
table domains file:/etc/mail/domains

# Listeners for local delivery, external deliver and dkimproxy
listen on lo0
listen on lo0 port 10028 tag DKIM
listen on egress smtps pki mail.codevoid.de auth
listen on egress tls

action local maildir ~/.emails/%{rcpt.domain:lowercase}/%{rcpt.user:lowercase} virtual <aliases>
action relay_dkim relay host smtp://127.0.0.1:10027
action relay relay helo mail.codevoid.de

# local delivery for own domains
match from any for domain <domains> action local
match for local action local

# if authenticated, forward to dkim proxy
match auth from any for any action relay_dkim

# if returned from dkim proxy, relay.
match tag DKIM for any action relay

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                                                    thanks for using me.