??? 250-
??? 250-
??? 250-
+??? 250-
+??? 250-
??? 250
mail from:<userx@test.ex>\r\nrcpt to:<userx@test.ex>\r\ndata
??? 250
client 127.0.0.1 PORT_D
??? 220
vrfy
+??? 501
+vrfy foo@bar
??? 252
vrfy
-??? 252
-vrfy
-??? 252
+??? 501
vrfy
-??? 252
+??? 501
vrfy
??? 554
****
??? 250-
??? 250-
??? 250-
+??? 250-
+??? 250-
??? 250
mail from:<userx@test.ex>\r\nrcpt to:<userx@test.ex>\r\ndata
??? 250