Free iPhone App Allows You To Search Emails

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One glaring limitation of the iPhone is that you cannot search emails.  While this is something that is supposed to be fixed in OS v3.0, this search will only look in the email header (to, from, subj, date). reMail is an iPhone application that provides a full text search (meaning it also looks into the body of the email).  Best of all reMail is being offered free in the Beta version.