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HTTP Binding
Optional use of HTTP as binding for IMAP
This binding is intended to facilitate the use of IMAP in deployments involving a variety of intermediaries
offers a standardized alternative to de facto proprietary implementations of such a feature.
HTTP allows operators to reuse similar setup and model already used for many other similar and related services, e.g. certain proprietary push e-mail and synchronization offerings, OMA Data Synchronization, Web services and Web access.
Using HTTP/HTTPS can simplify deployment in a corporate network through the potential use of a reverse proxy .
Also has the advantage of not requiring changes to any firewall configurations and reduces deployment concerns that this often presents to corporation.
In general the solution is compatible with any existing firewall.
A reverse proxy can also support deployment models that offer roles to other service providers in the value chains, as discussed in OMA Mobiel e-mail AD
PPT Version