I can connect to internet with my MBP through Airport Extreme, but my iOS devices can't. Please help.

I can connect to internet with my MBP through Airport Extreme, but my iOS devices can't. Please help.

GerleMan, Welcome to the discussion area!
There are two probably causes:
Your ISP is blocking the port used by Entourage to send mail and the ISP used by the other wireless networks is not.
OR
Your ISP doesn't like OS X's default MTU seting of 1500. If this were the case it should also affect any large file transfers you try to make from your Mac to the Internet.

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