If you're on a dial-up connection, OneClick uses your selected settings to connect to the Internet then disconnect when finished. If your dial-up connection is dropped OneClick automatically re-dials, as many times as it takes (up to 10 tries - although this can be changed), to establish a connection! Aswell, the Mac OS X Mail application only provides the barest of feedback (as single audio cue). OneClick works with Mail to provide a useful dialogue box for feedback. The ability to dial & disconnect from the Internet while checking your email via Mac OS X Mail is unique OneClick.
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