How to Build an IIS SMTP Relay Server
https://adamtheautomator.com/iis-smtp-relay05.09.2019 · Go to Start –> Run and type in inetmgr6 and hit Enter. This will open the IIS 6 console. Once the console is open, right-click on [SMTP Virtual Server #1] (1), then select Properties (2). Checking SMTP Virtual Server properties. In the Properties window, check Enable logging (1), then click Properties (2).
IIS 6.0 SMTP limit on message size
social.msdn.microsoft.com › Forums › en-USDec 07, 2006 · 2) IIS SMTP is a basic smtp server. it listen and relay message via tcp port 25. For example, you can via component object to send mail, e.g. cdo.sys, web.mail, etc. whereby it will place a file in pickup folder, and that folder is being monitor by smtp service, and take it to queue folder for processing.