> Date: Wednesday, July 07, 2021 16:54:42 -0400 > From: post...@ptld.com > > I did read the manual which says: > "Reject the request when the HELO or EHLO hostname has no DNS A or > MX record." > > Best to my knowledge "DNS A" means IP so the manual does mention IP > addresses, but then it doesn't say anything about if or what it > does with that IP so i just wanted to clarify and not assume.
If the "hostname has no DNS A ... record", i.e., the *hostname* presented on the HELO/EHLO doesn't resolve, then no IPnumber will be returned [to do anything with].
