220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 OK 501 <abc@domain.>: domain missing or malformed 221 myhost.test.ex closing connection 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 OK 250 Accepted 354 Enter message, ending with "." on a line by itself 250 OK id=10HmaY-0005vi-00 221 myhost.test.ex closing connection 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 OK 250 Accepted 354 Enter message, ending with "." on a line by itself 550 Administrative prohibition 221 myhost.test.ex closing connection 0m sss 10HmaY-0005vi-00 <> abc@domain 0m sss 10HmaZ-0005vi-00 <abc@somewhere> xxx@yyy