>> 220 XXX.XXXX.XXX Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at  Fri, 14 Aug 2009 19:17:28 +0530
<< EHLO XXX.XXXX.com
>> 250- XXX.XXXX.XXX Hello [XXX.XXX.XXXX.XXX]
>> 250-TURN
>> 250-SIZE
>> 250-ETRN
>> 250-PIPELINING
>> 250-DSN
>> 250-ENHANCEDSTATUSCODES
>> 250-8bitmime
>> 250-BINARYMIME
>> 250-CHUNKING
>> 250-VRFY
>> 250-X-EXPS GSSAPI NTLM LOGIN
>> 250-X-EXPS=LOGIN
>> 250-AUTH GSSAPI NTLM LOGIN
>> 250-AUTH=LOGIN
>> 250-X-LINK2STATE
>> 250-XEXCH50
>> 250 OK
<< AUTH LOGIN
>> 334 Vsgdfd5hbWU6
<< Y2hhbmRhbiAbxbchjBubWZvSDJDNdC5sb2M=
>> 334 UDSzc3dvSJJD6
<< UH4x
>> 535 5.7.3 Authentication unsuccessful.
<< quit