any way to filter spam email?

any way to filter email spam? My outlook sends it to spam folders on my desktop but using downloading email on my phone thru pop3 I get all messages.

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What kind of your cellphone? there is a software that may help you filter spam email. paste the url below. i hope it can help you.
i can't paste url? try to click.
www。sprint-cellphone。com/how-to-filter-your-sprint-blackberry-cellphones-spam-email。html
please replace '。' to '.'