The concept of "push email" has been widely marketed as a desirable feature of mobile email services, to enable users to get immediate notification of and access to new messages.
A new whitepaper on the Isode website looks at various approaches to meeting user requirements, and concludes that the Internet Standard IMAP (Internet Message Access Protocol) IDLE command is the best way to achieve this service.
You can here the whitepaper in fiull here.
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