Google said it is adding POP, or point of presence, access to Gmail for all users over the next couple of weeks. The move will enable Gmail users to download a copy of their messages through other e-mail programs and devices that support POP.Source: Reuters
Using POP access, Gmail users would also be able to view their messages offline.
Google to add POP access to Gmail

Google said that users of its e-mail service Gmail will soon receive POP access to their accounts. This will allow them to read their e-mail in programs like Microsoft Outlook or on handheld devices like mobile phones.