Understanding SMTP in DotNetNuke

DNN SMTP Settings DNN Websites have the ability to configure in the host settings an SMTP server. When a DNN email is generated from the DNN website, it will attempt to send mail through this SMTP server. In order that your DNN website can successfully send the email, the SMTP server must allow the email message to be received. Typically this is done in one of four ways. The SMTP server is configured for Open Relay (This should NEVER be done unless you have an external firewall blocking all external SMTP connections. Otherwise your mail server will become a spam server within hours) SMTP Authentication – Typically SMTP servers are configured to allow users with a valid username and password to authenticate themselves. Once they have been authenticated, they can communicate email messages through the SMTP server. This is the same way most ISP’s work their mail servers. The idea… Read More »Understanding SMTP in DotNetNuke