SQL Server

Create DSN (Delivery Status Notification) Email

See more Email Object Examples

Demonstrates how to create a DSN (Delivery Status Notification) Email having the format as defined in RFC 3464. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    DECLARE @email int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @email OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @email, 'Subject', 'Test'
    EXEC sp_OASetProperty @email, 'From', 'joe@example.com'
    EXEC sp_OASetProperty @email, 'Body', 'This is a test'
    EXEC sp_OAMethod @email, 'AddTo', @success OUT, '', 'recipient@example.com'

    EXEC sp_OAMethod @email, 'GetMime', @sTmp0 OUT
    PRINT @sTmp0

    PRINT ''

    PRINT '-------------------------------------------------------------'

    PRINT ''

    -- This is the email we just created:

    -- MIME-Version: 1.0
    -- Date: Mon, 12 May 2025 11:13:15 -0500
    -- Message-ID: <917FA49F75544EF51948B0A52F403B925B51073F@SLICE>
    -- Content-Type: text/plain; charset=us-ascii; format=flowed
    -- Content-Transfer-Encoding: 7bit
    -- X-Priority: 3 (Normal)
    -- Subject: Test
    -- From: joe@example.com
    -- To: recipient@example.com
    -- 
    -- This is a test

    -- -----------------------------------------------------------------
    -- Convert the above email into a DSN (Delivery Status Notification)

    DECLARE @xml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT

    EXEC sp_OASetProperty @xml, 'Tag', 'DeliveryStatusFields'
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'Final-Recipient', 'rfc822; recipient@example.com'
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'Action', 'failed'
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'Status', '5.1.2'
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'Diagnostic-Code', 'smtp; 550 5.1.2 Host unknown (Domain name not found)'
    DECLARE @dtNow int
    EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @dtNow OUT

    EXEC sp_OAMethod @dtNow, 'SetFromCurrentSystemTime', @success OUT
    EXEC sp_OAMethod @dtNow, 'GetAsRfc822', @sTmp0 OUT, 1
    EXEC sp_OAMethod @xml, 'NewChild2', NULL, 'Last-Attempt-Date', @sTmp0

    DECLARE @headerOnly int
    SELECT @headerOnly = 1
    DECLARE @sbText int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbText OUT

    EXEC sp_OAMethod @sbText, 'Append', @success OUT, 'This is an automatically generated Delivery Status Notification.' + CHAR(13) + CHAR(10) + CHAR(13) + CHAR(10)
    EXEC sp_OAMethod @sbText, 'Append', @success OUT, 'Delivery to the following recipient failed permanently:' + CHAR(13) + CHAR(10) + CHAR(13) + CHAR(10)
    EXEC sp_OAMethod @sbText, 'Append', @success OUT, '    recipient@example.com' + CHAR(13) + CHAR(10) + CHAR(13) + CHAR(10)
    EXEC sp_OAMethod @sbText, 'Append', @success OUT, 'Technical details of permanent failure:' + CHAR(13) + CHAR(10)
    EXEC sp_OAMethod @sbText, 'Append', @success OUT, 'DNS Error: Domain name not found' + CHAR(13) + CHAR(10)

    DECLARE @explain nvarchar(4000)
    EXEC sp_OAMethod @sbText, 'GetAsString', @explain OUT

    DECLARE @dsnEmail int
    EXEC @hr = sp_OACreate 'Chilkat.Email', @dsnEmail OUT

    EXEC sp_OAMethod @xml, 'GetXml', @sTmp0 OUT
    EXEC sp_OAMethod @email, 'ToDsn', @success OUT, @explain, @sTmp0, @headerOnly, @dsnEmail
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @email, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @email
        EXEC @hr = sp_OADestroy @xml
        EXEC @hr = sp_OADestroy @dtNow
        EXEC @hr = sp_OADestroy @sbText
        EXEC @hr = sp_OADestroy @dsnEmail
        RETURN
      END

    EXEC sp_OAMethod @dsnEmail, 'GetMime', @sTmp0 OUT
    PRINT @sTmp0

    -- Here's the MIME of the DNS email we just created:
    -- -------------------------------------------------

    -- Content-Type: multipart/report; report-type="delivery-status"; boundary="------------060100020300020303000802"
    -- 
    -- --------------060100020300020303000802
    -- Content-Type: text/plain; charset=windows-1252; format=flowed
    -- Content-Transfer-Encoding: 7bit
    -- 
    -- This is an automatically generated Delivery Status Notification.
    -- 
    -- Delivery to the following recipient failed permanently:
    -- 
    --     recipient@example.com
    -- 
    -- Technical details of permanent failure:
    -- DNS Error: Domain name not found
    -- 
    -- --------------060100020300020303000802
    -- Content-Type: message/delivery-status
    -- 
    -- Final-Recipient: rfc822; recipient@example.com
    -- Action: failed
    -- Status: 5.1.2
    -- Diagnostic-Code: smtp; 550 5.1.2 Host unknown (Domain name not found)
    -- Last-Attempt-Date: Mon, 12 May 2025 11:30:39 -0500
    -- 
    -- --------------060100020300020303000802
    -- Content-Type: text/rfc822-headers; charset=windows-1252
    -- 
    -- MIME-Version: 1.0
    -- Date: Mon, 12 May 2025 11:30:39 -0500
    -- Message-ID: <B8E6875D582A78AE779FC0B46ACC8C858CEAF608@SLICE>
    -- Content-Type: text/plain; charset=us-ascii; format=flowed
    -- Content-Transfer-Encoding: 7bit
    -- X-Priority: 3 (Normal)
    -- Subject: Test
    -- From: joe@example.com
    -- To: recipient@example.com
    -- --------------060100020300020303000802--

    EXEC @hr = sp_OADestroy @email
    EXEC @hr = sp_OADestroy @xml
    EXEC @hr = sp_OADestroy @dtNow
    EXEC @hr = sp_OADestroy @sbText
    EXEC @hr = sp_OADestroy @dsnEmail


END
GO