(Go) SMTP Send Raw Command

Demonstrates how to send a raw command to the SMTP server after the connecting and authenticating.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    mailman := chilkat.NewMailMan()

    mailman.SetSmtpHost("smtp.mail.us-west-2.awsapps.com")
    mailman.SetSmtpSsl(true)
    mailman.SetSmtpPort(465)

    success := mailman.SmtpConnect()
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        return
    }

    mailman.SetSmtpUsername("john@example.com")
    mailman.SetSmtpPassword("the_password")

    success = mailman.SmtpAuthenticate()
    if success == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        return
    }

    fmt.Println("Authenticated!")

    // Send the "EHLO" command again to get the multi-line response that includes the SMTP capabilities.
    // The capabilities are the lines in the response that begin with "250-".
    responseStr := mailman.SmtpSendRawCommand("EHLO client.example.com","utf-8",false)
    if mailman.LastMethodSuccess() == false {
        fmt.Println(mailman.LastErrorText())
        mailman.DisposeMailMan()
        return
    }

    fmt.Println(*responseStr)

    // A sample response:

    // 250-smtp.us-west-2.mail.awsapps.com
    // 250-8BITMIME
    // 250-AUTH PLAIN LOGIN
    // 250 Ok

    mailman.DisposeMailMan()