On Wed, 2022-12-14 at 17:02 +0200, Alexander Bokovoy via FreeIPA-users wrote:
The external domain is r3pek.org, you mean. Just add
_kerberos.r3pek.org TXT "INT.R3PEK.ORG"
TXT record to your public domain. You also would need to add {smtp,imap}/mail01.r3pek.org as a principal alias to {smtp,imap}/mail01.int.r3pek.org to make it using the same Kerberos principal entry.
Confirmed working! Thanks for the help.