220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
250-<a@myhost.test.ex>
250-<b@myhost.test.ex>
250 <c@myhost.test.ex>
553 somewhere@else.where is undeliverable
553 xxxx@exim.org is undeliverable
553 xxxx@test.ex is undeliverable
221 myhost.test.ex closing connection