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(SQL Server) Fetch Inbox Email HeadersDownloads the headers of all emails in the Inbox and shows some information about each, such as From, Subject, and whether the email has been seen (already read) or not. Note: This example requires Chilkat v11.0.0 or greater.
-- 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) DECLARE @success int SELECT @success = 0 -- This example requires the Chilkat API to have been previously unlocked. -- See Global Unlock Sample for sample code. DECLARE @imap int 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 EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.someMailServer.com' IF @success = 0 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, 'myLogin', 'myPassword' IF @success = 0 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 = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap RETURN END -- Normally, when an email is downloaded, its "Seen" flag is automatically set. -- We don't want our program to be interfering with the "Seen" flags. -- To do this, set the PeekMode to 1. EXEC sp_OASetProperty @imap, 'PeekMode', 1 -- After selecting the mailbox, the NumMessages property -- will contain the number of emails in the mailbox. -- When sequence numbers (not UIDs) are used to reference emails, -- they range from 1 to N, where N is the number of messages in the mailbox. -- This example will download the headers by sequence numbers. DECLARE @count int EXEC sp_OAGetProperty @imap, 'NumMessages', @count OUT DECLARE @bundle int EXEC @hr = sp_OACreate 'Chilkat.EmailBundle', @bundle OUT EXEC sp_OAMethod @imap, 'FetchRange', @success OUT, 1, 1, @count, @bundle IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @bundle RETURN END EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT IF @iTmp0 = 0 BEGIN PRINT 'No messages in Inbox.' EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @bundle RETURN END -- Loop over the email headers. DECLARE @emailHeader int EXEC @hr = sp_OACreate 'Chilkat.Email', @emailHeader OUT DECLARE @i int SELECT @i = 0 EXEC sp_OAGetProperty @bundle, 'MessageCount', @iTmp0 OUT WHILE @i < @iTmp0 BEGIN EXEC sp_OAMethod @bundle, 'EmailAt', @success OUT, @i, @emailHeader EXEC sp_OAGetProperty @emailHeader, 'From', @sTmp0 OUT PRINT @sTmp0 EXEC sp_OAGetProperty @emailHeader, 'Subject', @sTmp0 OUT PRINT @sTmp0 -- Get the "Seen" flag. -- When an email is fetched from the IMAP server, the email flags are stored -- within the email in the "ckx-imap-flags" header. -- The call to GetMailFlag is simply getting the information from the email header. -- (it is not communicating with the IMAP server to get this information, because -- the information was obtained when downloading the headers) DECLARE @seenFlag int EXEC sp_OAMethod @imap, 'GetMailFlag', @seenFlag OUT, @emailHeader, 'Seen' IF @seenFlag = 1 BEGIN PRINT 'This email has been read (already seen)' END ELSE BEGIN PRINT 'This email has not yet been read (it is not yet seen)' END -- We can also look directly at the "ckx-imap-flags" header: EXEC sp_OAMethod @emailHeader, 'GetHeaderField', @sTmp0 OUT, 'ckx-imap-flags' PRINT 'ckx-imap-flags: ' + @sTmp0 PRINT '--' SELECT @i = @i + 1 END -- Disconnect from the IMAP server. EXEC sp_OAMethod @imap, 'Disconnect', @success OUT EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @bundle EXEC @hr = sp_OADestroy @emailHeader END GO |
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