becky如何设置默认邮件客户端

把下面的内容复制到记事本上保存为reg.reg文件
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REGEDIT4
[HKEY_CLASSES_ROOT\mailto\shell\open\command]
@="\"%BeckyDefMail%\\B2.exe\" %1"
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail]
@="Becky! Ver.2"
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2]
@="Becky! Ver.2"
"DLLPath"="%BeckyDefMail%\\B2MAPI.dll"
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2\Protocols]
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2\Protocols\mailto]
@="URL:MailTo Protocol"
"URL Protocol"=""
"EditFlags"=hex:02,00,00,00
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2\Protocols\mailto\shell]
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2\Protocols\mailto\shell\open]
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\Mail\Becky! Ver.2\Protocols\mailto\shell\open\command]
@="\"%BeckyDefMail%\\B2.exe\" \"%1\""
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把%BeckyDefMail%换成becky的文件路径就可以了。注意路径的"\"要换成"\\"