LOG: DNS list lookup defer (probably timeout) for 1.0.0.V4NET.test.again.dns: returned DEFER
>>> deny: condition test deferred in ACL "check_rcpt"
LOG: H=[V4NET.0.0.1] F=<userx@x> temporarily rejected RCPT <userx@y>
LOG: DNS list lookup defer (probably timeout) for 1.0.0.V4NET.test.again.dns: returned DEFER
>>> deny: condition test deferred in ACL "check_rcpt"
LOG: H=[V4NET.0.0.1] F=<userx@x> temporarily rejected RCPT <userx@y>