Reading POP3 Email... or widgetize?

[eluser]Mohammad Fakira[/eluser]
how can we get limited emails from library ??

just like i have 100 mails in my gmail box i wants to fetch last 20 in that

& when i get my next email then how can i get that last email ??

i don't wants to fetch that 80 emails i wants to fetch 20 emails first & after that when i get new email in my gmail then fetch in into my mailbox....

Reply Fast please

Thank you...