发送邮件模块 VC SMTP

// The following ifdef block is the standard way of creating macros which make exporting // from a DLL simpler. All files within this DLL are compiled with the SMTPDLL_EXPORTS // symbol defined on the command line. this symbol should not be defined on any project // that uses this DLL. This way any other project whose source files include this file see // SMTPDLL_API functions as being imported from a DLL, wheras this DLL sees symbols // defined with this macro as being exported. #define SMTPDLL_EXPORTS #ifdef SMTPDLL_EXPORTS #define SMTPDLL_API __declspec(dllexport) #else #define SMTPDLL_API __declspec(dllimport) #endif const enum{ SNDEMAIL_SUCCESS, SNDEMAIL_CREATE_ERROR, SNDEMAIL_CONNECT_ERROR, SNDEMAIL_SENDERROR }; // This class is exported from the smtpDll.dll SMTPDLL_API int SendEmail(LPSTR szUser,LPSTR szPwd,LPSTR szTo,LPSTR szFrom,LPSTR szHead,LPSTR szText);