??? 250-
<<< 250-SIZE 52428800
??? 250-
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-
+<<< 250-8BITMIME
+??? 250-
<<< 250-PIPELINING
??? 250
<<< 250 HELP
+++ 1
>>> rcpt to:<userx@test.ex>\r\ndata\r\nthe message\r\nsecond line
??? 250
-<<< 250 OK id=10HmaX-0005vi-00
+<<< 250 OK id=10HmaX-000000005vi-0000
??? 250
<<< 250 OK
??? 250
<<< 250-myhost.test.ex Hello abcd [ip4.ip4.ip4.ip4]
??? 250-
<<< 250-SIZE 52428800
+??? 250-
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-
+<<< 250-8BITMIME
??? 250
<<< 250 HELP
>>> mail from:<userx@test.ex>\r\nrcpt to:<userx@test.ex>
??? 250-
<<< 250-SIZE 52428800
??? 250-
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-
+<<< 250-8BITMIME
+??? 250-
<<< 250-PIPELINING
??? 250
<<< 250 HELP
<<< 250-myhost.test.ex Hello abcd [ip4.ip4.ip4.ip4]
??? 250-
<<< 250-SIZE 52428800
+??? 250-
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-
+<<< 250-8BITMIME
??? 250
<<< 250 HELP
>>> rset\r\nquit
??? 250-
<<< 250-SIZE 52428800
??? 250-
+<<< 250-LIMITS MAILMAX=1000 RCPTMAX=50000
+??? 250-
+<<< 250-8BITMIME
+??? 250-
<<< 250-PIPELINING
??? 250
<<< 250 HELP
??? 354
<<< 354 Enter message, ending with "." on a line by itself
??? 250
-<<< 250 OK id=10HmaY-0005vi-00
+<<< 250 OK id=10HmaY-000000005vi-0000
>>> quit
??? 221
<<< 221 myhost.test.ex closing connection