1 220 

     2 250-Hello, pleased to meet you

     3 250-ENHANCEDSTATUSCODES

     4 250-PIPELINING

     5 250-EXPN

     6 250-VERB

     7 250-8BITMIME

     8 250-SIZE

     9 250-DSN

    10 250-ETRN

    11 250-STARTTLS

    12 250-DELIVERBY

    13 250 HELP

    14 220 Ready to start TLS

    15 250-Hello, pleased to meet you

    16 250-ENHANCEDSTATUSCODES

    17 250-PIPELINING

    18 250-EXPN

    19 250-VERB

    20 250-8BITMIME

    21 250-SIZE

    22 250-DSN

    23 250-ETRN

    24 250-DELIVERBY

    25 250 HELP

    26 250 Reset state

    27 250 Sender ok

    28 250 Recipient ok

    29 354 Enter mail, end with "." on a line by itself

    30 250 Message accepted for delivery

    31 221 closing connection