如何用MAPI和CDONTS来发邮件
不想另外安装第三方的发邮件组件，想直接利用MS的。
请问在VB里如何用MAPI来发送邮件（好像MAPI是OUTLOOK和OE自带有的吧），需要像在OE里发邮件一样先手工设置好发信帐号吗？能不能像JMAIL一样在发信时指定SMTP服务器及发信验证用户名和密码？
哪里有CDONTS发邮件的源码？我需要能指定发邮件的SMTP及认证用户名和密码的那个版本的，这就相当于JMAIL能实现的功能了，好像低版本的CDO不支持，汗~~~~~
下面是使用winsock实现的发送邮件，但其它问题仍未解决，等待高手
eSTMP.vbp
-------------------------------------------
Type=Exe
Object={248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0; MSWINSCK.OCX
Form=frmmail.frm
Startup="Form1"
HelpFile=""
Title="Email发送"
ExeName32="Email.exe"
Command32=""
Name="Email"
HelpContextID="0"
CompatibleMode="0"
MajorVer=1
MinorVer=0
RevisionVer=0
AutoIncrementVer=0
ServerSupportFiles=0
VersionCompanyName="dapha.net"
VersionFileDescription="Email发送,支持服务器认证，超文本邮件内容"
VersionLegalCopyright="Copyright 2002 dapha.net"
VersionProductName="Email发送软件"
CompilationType=0
OptimizationType=0
FavorPentiumPro(tm)=0
CodeViewDebugInfo=0
NoAliasing=0
BoundsCheck=0
OverflowCheck=0
FlPointCheck=0
FDIVCheck=0
UnroundedFP=0
StartMode=0
Unattended=0
Retained=0
ThreadPerObject=0
MaxNumberOfThreads=1
[MS Transaction Server]
AutoRefresh=1
frmMail.frm
-----------------------------------------
VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form Form1
BorderStyle = 1 'Fixed Single
Caption = "邮件发送程序(支持smtp服务器验证)"
ClientHeight = 5550
ClientLeft = 45
ClientTop = 330
ClientWidth = 5805
LinkTopic = "Form1"
MaxButton = 0 'False
ScaleHeight = 5550
ScaleWidth = 5805
StartUpPosition = 3 'Windows Default
Begin MSWinsockLib.Winsock Winsock1
Left = 2640
Top = 2520
_ExtentX = 741
_ExtentY = 741
_Version = 393216
End
Begin VB.TextBox txtmessage1
Height = 1695
Left = 0
MultiLine = -1 'True
TabIndex = 8
Text = "frmmail.frx":0000
ToolTipText = "这里为超文本信件内容"
Top = 3480
Width = 5775
End
Begin VB.TextBox user
Height = 270
Left = 3960
TabIndex = 4
Top = 840
Width = 1575
End
Begin VB.TextBox subject
Height = 270
Le
