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--- setup_basic_mailserver_with_postfix_dovecot_sieve [20.03.2021 07:00] – [enterprise vs. free] Pascal Suter
+++ setup_basic_mailserver_with_postfix_dovecot_sieve [20.03.2021 07:47] (current) – [add a new domain] Pascal Suter
@@ Line 562: / Line 562: @@
 lastly, to activate the new mail user account, send an email to that address.
+===== add a new domain =====
+to add a new domain to the mail system, complete the following steps:
+  - add the domain on the Proxmox Mail Gateway to the "Relay Domains" list
+  - add the domain to your mailserver database, as mentioned above
+  - update the DNS records of your domain to point to the mailfitler and also add these entries: <code>
+autoconfig              IN      CNAME   mail
+autodiscover            IN      CNAME   mail
+_dmarc                  IN      TXT     "v=DMARC1; p=quarantine; pct=100"
+@                       IN      TXT     "v=spf1 mx ~all"
+00000000._domainkey     IN      TXT     ( "v=DKIM1; h=sha256; k=rsa; ".... copy/paste from PMG
+</code>you can get the correct entry for he DKIM1 key from your proxmox mail gateway web gui, just go to Configuration --> Mail Proxy --> DKIM and click on the "view DNS record" button, then copy/paste the entry to your bind config.