ms smtp

MS SMTP is default mail server in windows server.

Mail Queue Location is

C:\Inetpub\mailroot\Queue

CDONTS and CDOSYS deliver mails directly to MS SMTP, they just put the email messages as a formated file with name like "a3e32ea821c8e114a971303774460be000.00000001.eml" in folder

C:\Inetpub\mailroot\Pickup