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Old 13-07-2007, 03:07 AM
OngL OngL is offline
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Join Date: Dec 2006
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Let's start with a few scenarios:
1) Plain POP/IMAP emails
Connection is not secured, as the traffic from operator to servers through internet are not encrypted. On the wireless itself, GSM applies encryption.

2) Secured POP/IMAP with SSL/TLS
Secured end-to-end, you should use this if your servers support this.

3) Push mails
Mostly secured with propetiary/SSL/TLS encryption.