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![1. The Internet Mail Model - Managing IMAP [Book]](https://www.oreilly.com/library/view/managing-imap/059600012X/tagoreillycom20070531oreillyimages271026.png "1. The Internet Mail Model - Managing IMAP [Book]")
1. The Internet Mail Model - Managing IMAP [Book]
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1. The Internet Mail Model - Managing IMAP [Book]
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Sophos XGS: How to configure Email Protection with MTA mode on Sophos XGS to protect Email server – Techbast
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Computer Networks 2. Based on the figure above, if | Chegg.com
