how to copy mails from netscape cilent

hi friends i have a requriement where user want to copy mails from different mail clients and paste it into lotus notes mail clients
so please any one can help in in
1)how to copy mails from netscape cilent and paste it in lotus notes programatically(let the usage of language be any thing)
2)simillarly how to copy mails from outlook express and paste it in lotus notes programatically(let the usage of language be any thing)
regards
kiran