220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 myhost.test.ex Hello CALLER at test 250 OK 250 Accepted 250 Reset OK 250 OK 550 Administrative prohibition 221 myhost.test.ex closing connection 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 myhost.test.ex Hello CALLER at test [10.9.8.7] 250 OK 250 Accepted 221 myhost.test.ex closing connection 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 myhost.test.ex Hello CALLER at test [192.168.4.5] 250 OK 250 Accepted 221 myhost.test.ex closing connection 220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000 250 myhost.test.ex Hello CALLER at test [1.2.3.4] 250 OK 550 Administrative prohibition 221 myhost.test.ex closing connection > 1 [*.b.c] > 2 > 3 [*] > 4 [*.c] > 5 [*.c] > 6 [*@y.c] > 7 [*.b.c] > 8 [.b.c] > 9 [b.c] > 10 [*b.c] > 11 [*] > 12 [.] > 13 [++aa.bb] > 14 [++] > 15 [*] > 16 [*.b.c]||a|b.c >