>>> defer: condition test succeeded in ACL "check_rcpt"
LOG: H=(a.b.c.d) [1.2.3.4] F=<> temporarily rejected RCPT <x@mxt2.test.ex>: all relevant MX records point to non-existent hosts
>>> defer: condition test succeeded in ACL "check_rcpt"
LOG: H=(a.b.c.d) [1.2.3.4] F=<> temporarily rejected RCPT <x@mxt2.test.ex>: all relevant MX records point to non-existent hosts