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