(SQL Server) SMTP Send Raw Command

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @mailman int
    -- Use "Chilkat_9_5_0.MailMan" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.MailMan', @mailman OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @mailman, 'SmtpHost', 'smtp.mail.us-west-2.awsapps.com'
    EXEC sp_OASetProperty @mailman, 'SmtpSsl', 1
    EXEC sp_OASetProperty @mailman, 'SmtpPort', 465

    DECLARE @success int
    EXEC sp_OAMethod @mailman, 'SmtpConnect', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        RETURN
      END

    EXEC sp_OASetProperty @mailman, 'SmtpUsername', 'john@example.com'
    EXEC sp_OASetProperty @mailman, 'SmtpPassword', 'the_password'

    EXEC sp_OAMethod @mailman, 'SmtpAuthenticate', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        RETURN
      END


    PRINT '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-".
    DECLARE @responseStr nvarchar(4000)
    EXEC sp_OAMethod @mailman, 'SmtpSendRawCommand', @responseStr OUT, 'EHLO client.example.com', 'utf-8', 0
    EXEC sp_OAGetProperty @mailman, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        RETURN
      END


    PRINT @responseStr

    -- A sample response:

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

    EXEC @hr = sp_OADestroy @mailman


END
GO