>>> callout cache: no domain record found for b
>>> callout cache: no address record found for a@b
>>> interface=NULL port=1224
->>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... >>> connected
+>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready
>>> 127.0.0.1 in hosts_avoid_esmtp? no (option unset)
>>> SMTP>> EHLO myhost.test.ex
>>> callout cache: no domain record found for q
>>> callout cache: no address record found for p1@q
>>> interface=NULL port=1224
->>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... >>> connected
+>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready
>>> 127.0.0.1 in hosts_avoid_esmtp? no (option unset)
>>> SMTP>> EHLO myhost.test.ex