[MSDN Library June 1998] SMTP: XXENC User Unknown (53.4523809523809%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] SMTP: Err Msg: Recipient Unknown (40.952380952381%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] SMTP: Err Msg: 550 Addressee Unknown (40.2579365079365%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] SMTP: Err Msg: Error (39.9107142857143%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks
[MSDN Library June 1998] SMTP: Err Msg (37.827380952381%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Mail For PC Networks