C++smtp发送邮件怎么写

服务器：smtp.qq.com
发送邮箱：789发发发@.qq.com
发信邮箱密码：123456
收信邮箱：123收收收@.qq.com

就是点一下按钮 就从[789发发发@.qq.com]这个邮箱发一封信给 [123收收收@.qq.com]
内容为“asd”标题“www”

代码怎么写。。。

我只写你SMTP这边要发的内容
socket编程的东西自己找代码去

telnet smtp.qq.com 25
EHLO localhost
AUTH LOGIN
safasdfasf < 这里是base64编码的"789发发发@.qq.com"
asdfasdasf < 这里是base64编码的"123456"
MAIL FROM: <789888@qq.com"
RCPT TO: <123sss@qq.com"
DATA
Subject: this is a test mail

this is a test mail body
line 2
line 3
. < 用一个点表示发信内容结束

你需要先配置iis smtp服务器才能正确使用。 这个很复杂的，要自己写smtp pop3 mailmessage等类。 如果只是简单的电子邮件运用，建议你用mapi操作。 mapi很简单。你只要在网上搜一下mapi.h就可以直接用了。 mapi32.dll是系统自带的。加载进来就可以了。 下面是代码，网上搜到处都是。 lhandle loghandle; ulong res = m_mapilogon( 0,null,null,0,0,&loghandle ); cstring ss; ss.format( "%d",res ); cstring strsubject,strbody; strsubject = mailsubject; strbody = mailbody; ctime time = ctime::getcurrenttime(); cstring strtime = time.format( "%y//%m//%d//%h" ); cstring address1,address2; address1 = user address2 = "smtp:" + user + "@qq.com"; mapimessage message; //subject of the mail message.lpszsubject = strsubject.getbuffer(0); //body of the mail message.lpsznotetext = strbody.getbuffer(0); message.lpszmessagetype = null; //time sending message.lpszdatereceived = strtime.getbuffer(0); message.lpszconversationid = null; message.flflags = mapi_sent; //sender message message.lporiginator = null; message.nrecipcount = 1;//reciver count mapirecipdesc reci = { 0,mapi_to,address1.getbuffer(0),address2.getbuffer(0),0,null }; //imessage:: //mapirecipdesc reci1 = { 0,mapi_to,add1.getbuffer(0),add2.getbuffer(0),0,null }; message.lprecips = &reci; // message.lprecips = &reci1; message.lpfiles = 0;//attachment message.nfilecount = 0;//attachment count int lresult = m_mapisendmail( loghandle,0,&message,0,0);