220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250-the.local.host.name Hello CALLER at a.b.c 250-SIZE 52428800 250-8BITMIME 250-ETRN 250-PIPELINING 250-AUTH PLAIN 250 HELP 501 invalid character in authentication mechanism name 235 Authentication succeeded 503 already authenticated 501 invalid data for AUTH 221 the.local.host.name closing connection 220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250-the.local.host.name Hello CALLER at a.b.c 250-SIZE 52428800 250-8BITMIME 250-ETRN 250-PIPELINING 250-AUTH PLAIN 250 HELP 250 OK 503 not permitted in mail transaction 221 the.local.host.name closing connection