The TMailSecurity enumerated type is used to identity the required level of security when sending email using an TMailer instance in a server application.
Element
Description
msNone
Specifies that the entire mail transaction with the mail server should be performed with no encryption at all.
msSecure
Specifies that encryption is required for the entire mail transaction with the mail server, including the initial handshake.
msUpgradeToSecure
Specifies that the initial handshake portion of the mail transaction with the mail server can be performed without encryption, but that the rest of the mail transaction will require encryption.