gmail and yahoo email are instanteous, blackberry has a special arrangement with them that the alert out to the BIS server when there's an email availble.

For non gmail and yahoo accounts, BIS will check every 8-15 minutes or so, and if an email is delivered during that check, the BIS server will check again in I believe under 90 seconds for subsequent emails (in case there's a real time conversation going on).

If you're on your company's BES server, it should be close to instanteous.

There's no way to get around these timings, trust me, I've tried.

You CAN go into your inbox, hit the bberry button and select "reconcile now" if you want to force the bberry to check for emails, but it doesn't work every time, it's all about the timing of the bberry bis servers checking your email ISP.

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