Apple Mail
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Apple Mail 1.2.3 v551-552 screenshot thumbnail
Apple Mail 1.2.3 v551-552 screenshot thumbnail
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Apple Mail 1.2.3 v551-552 screenshot thumbnail
Larger version
Mail (or Mail.app) is an email program included with Mac OS X.
Included Mac OS X, it integrates with other Apple applications such as Address Book and iCal.
Mail.app's previous incarnations were included in NeXTSTEP and OPENSTEP.