(Swift 3,4,5...) Send email using SSL (port 465).

Send email using SMTP SSL on port 465.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // The mailman object is used for sending and receiving email.
    let mailman = CkoMailMan()!

    // Set the SMTP server.
    mailman.smtpHost = "smtp.att.yahoo.com"

    // Set SMTP login and password (if necessary)
    mailman.smtpUsername = "myUsername@sbcglobal.net"
    mailman.smtpPassword = "myPassword"

    mailman.smtpSsl = true
    mailman.smtpPort = 465

    // Create a new email object
    let email = CkoEmail()!

    email.subject = "This is a test"
    email.body = "This is a test"
    email.from = "Chilkat Support <support@chilkatsoft.com>"
    var success: Bool = email.add(to: "Chilkat Admin", emailAddress: "admin@chilkatsoft.com")

    success = mailman.send(email)
    if success != true {
        print("\(mailman.lastErrorText!)")
        return
    }

    success = mailman.closeSmtpConnection()
    if success != true {
        print("Connection to SMTP server not closed cleanly.")
    }

    print("Mail Sent!")

}