I doubt email would work, even with imap or pop3. I get a lot of spam per day, and imap clients typically download unread messages. I guess you could configur

I doubt email would work, even with imap or pop3. I get a lot of spam per day, and imap clients typically download unread messages. I guess you could configure it not to do that, or write your own imap client with better behavior -- on your 2G smartphone.