(SQL Server) Read IMAP Email Headers

Call FetchHeaders to download only the email headers.

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

    -- Connect to an IMAP server.
    -- Use TLS
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    DECLARE @success int
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.someMailServer.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Login
    EXEC sp_OAMethod @imap, 'Login', @success OUT, '****', '****'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    DECLARE @messageSet int

    -- We can choose to fetch UIDs or sequence numbers.
    DECLARE @fetchUids int
    SELECT @fetchUids = 1
    -- Get the message IDs of all the emails in the mailbox
    EXEC sp_OAMethod @imap, 'Search', @messageSet OUT, 'ALL', @fetchUids
    EXEC sp_OAGetProperty @imap, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- When downloading headers, each email object contains
    -- (obviously) the headers, but the body will be missing.
    -- Also, attachments will not be included.  However, it is
    -- possible to get information about the attachments
    -- as well as the complete size of the email.
    DECLARE @bundle int

    EXEC sp_OAMethod @imap, 'FetchHeaders', @bundle OUT, @messageSet
    EXEC sp_OAGetProperty @imap, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC @hr = sp_OADestroy @messageSet

        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Loop over the email objects and display information
    -- about each:
    DECLARE @i int

    EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT
    SELECT @i = 0
    WHILE @i <= @iTmp0 - 1
      BEGIN
        DECLARE @email int

        EXEC sp_OAMethod @bundle, 'GetEmail', @email OUT, @i

        -- Display the From and Subject
        EXEC sp_OAGetProperty @email, 'From', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @email, 'Subject', @sTmp0 OUT
        PRINT @sTmp0

        -- Display the recipients:
        DECLARE @j int

        DECLARE @name nvarchar(4000)

        DECLARE @addr nvarchar(4000)

        EXEC sp_OAGetProperty @email, 'NumTo', @iTmp0 OUT
        SELECT @j = 0
        WHILE @j <= @iTmp0 - 1
          BEGIN
            EXEC sp_OAMethod @email, 'GetToName', @name OUT, @j
            EXEC sp_OAMethod @email, 'GetToAddr', @addr OUT, @j


            PRINT @name + ', ' + @addr
            SELECT @j = @j + 1
          END
        EXEC sp_OAGetProperty @email, 'NumCC', @iTmp0 OUT
        SELECT @j = 0
        WHILE @j <= @iTmp0 - 1
          BEGIN
            EXEC sp_OAMethod @email, 'GetCcName', @name OUT, @j
            EXEC sp_OAMethod @email, 'GetCcAddr', @addr OUT, @j


            PRINT @name + ', ' + @addr
            SELECT @j = @j + 1
          END

        -- Show the total size of the email, including body and attachments:
        EXEC sp_OAGetProperty @email, 'Size', @iTmp0 OUT
        PRINT @iTmp0

        -- When a full email is downloaded, we would use the
        -- email.NumAttachments property in conjunction with the
        -- email.GetMailAttach* methods.
        -- However, when an email object contains only the header,
        -- we need to access the attachment info differently:
        DECLARE @numAttach int
        EXEC sp_OAMethod @imap, 'GetMailNumAttach', @numAttach OUT, @email
        SELECT @j = 0
        WHILE @j <= @numAttach - 1
          BEGIN
            EXEC sp_OAMethod @imap, 'GetMailAttachFilename', @sTmp0 OUT, @email, @j
            PRINT @sTmp0
            DECLARE @attachSize int
            EXEC sp_OAMethod @imap, 'GetMailAttachSize', @attachSize OUT, @email, @j


            PRINT '    size = ' + @attachSize + ' bytes'
            SELECT @j = @j + 1
          END


        PRINT '--'
        EXEC @hr = sp_OADestroy @email

        SELECT @i = @i + 1
      END

    -- Disconnect from the IMAP server.
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT

    EXEC @hr = sp_OADestroy @messageSet

    EXEC @hr = sp_OADestroy @bundle


    EXEC @hr = sp_OADestroy @imap


END
GO