It's not essential. You could try Mozilla Thunderbird. It's built in junk mail filtering works quite well.
Aside from the mail reader being a matter of preference, your solution isn't always applicable. Personally, I check my mail from at least 4 different mail clients, which aren't all even Thunderbird -- having a common profile at the server level is a must.
-Doug -- http://linuxfromscratch.org/mailman/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page