It appears that Andrew C Aitchison via mailop <and...@aitchison.me.uk> said: >> because the return path would not work. >> >> $ host invoices.premierinn.de
It has an SPF record. What's the problem? >Should someone here not know, RFC 7505 > A "Null MX" No Service Resource Record for Domains That Accept No Mail >is the accepted standard way to signal a domain that does not receive email. They could do that, but that's a separate issue since the domain does exist. R's, John _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
