当我想使用一个拾取目录时，mvcMailer会抱怨SMTP主机

This has been getting on my nerves quite a bit because I can't find a reason for this not to work. I have an mvcMailer code that works if I specify in web.config to use SMTP. I don't want to use SMTP though, I want to use the drop folder. This is part of the code that does the sending:This has been getting on my nerves quite a bit