test/stdout/2023

   1 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
   2 250-myhost.test.ex Hello CALLER at a.b.c [10.9.8.10]
   3 250-SIZE 52428800
   4 250-PIPELINING
   5 250-STARTTLS
   6 250 HELP
   7 550 Administrative prohibition
   8 221 myhost.test.ex closing connection