IMAP migration php

I need a web based application that when given the server/user/pass for two imap accounts will copy everything from the source imap account into the destination imap account.

It must do the following:

1. Copy all messages

2. Create folders on destination imap account if the don't exist and copy the contents of it.

3) Provide a some kind of status output as it progresses. (Example:

Copying 45 messages in folder "inbox" ....

Creating Folder "Work" ....

Copy 22 messages in folder "Work" ... )

4) All web pages must load a header and footer file that so that it can be easily incorporated into current sites design framework.

5) I would like to be able to not create duplicats if at all possible.

6) All emails and email folders should remain unchanged on the original server

7) All attachments should be preserved when email is copied

8) Scripts should be able to handle very large mailboxes. These could be in excess of 1Gb of data. The transfer time may be as long as several hours.

9) All scripts should be written to comply with industry standard security methods. This includes proper server connection username and password handling.

I can create two IMAP accessable accounts to be used for testing purposes if necessary.

Please ask me any questions you may have and any suggestions on how this could be made better would be appreciated as well.

PHP 소프트웨어 아키텍처

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