Robert Sander: Checking application/pgp-signature: FAILURE -- Start of PGP signed section. > Hi, > > we encounter an issue with DANE-enabled Postfix > trying to deliver mail to a DNSSEC-enabled domain > that has no specific TLSA records for its MX but > obviously a wildcard CNAME entry: > > Sep 3 14:18:47 mailout1 postfix/smtp[30772]: warning: DANE TLSA lookup > problem: Host or domain name not found. Name service error for > name=_25._tcp.mail2.clarion-hotels.cz type=TLSA: Host not found, try again
Looks like the DNS client is losing some query flags while resolving the CNAME record. I'll investigate further. Wietse