See, although you might teach the spam filter on your laptop that a particular message is spam, the same filter on your desktop will have also seen the message and, though self-training, taught itself that it’s good! Things got tricky, though, when I switched from POP to IMAP, in order to access my email on both a laptop and a desktop computer, particularly because of the self-training nature of spam filters like SpamSieve. On the client side (a Mac, in my case) I used SpamSieve-a commercial product that’s more effective than Apple’s included spam filter-to keep my inbox free of spam. While I’m glad to still be using server-side junk filtering across my email accounts, SpamSieve is a nice supplement to server-side junk filtering, and another great and useful Mac utility.This article describes how I use the SpamSieve product for Mac OS X to provide server-side spam filtering.įor years, I hosted my email on a dedicated server leased by our company. It’s low cost ($30 one-time fee after the free trial), it works with a wealth of popular Mac mail clients and accounts, and offers powerful junk mail filtering that adapts and improves it’s accuracy over time. SpamSieve has long been a popular spam filtering app for Mac. It’s how I’m filtering spam on my iPhone and iPad. Since SpamSieve does not run on the iPhone or iPad, this method also works for filtering spam on the iPhone and iPad. Occasionally during the processing, I’ll still receive a duplicate email, but it’s a minor issue and not a major ordeal. My recommendation for users with multiple Macs is to keep one Mac setup with SpamSieve and the mail client running (I’m using my old iMac to do this) to act as a “spam filtering server”, then simply open the email client on other Macs when one needs to send/receive emails. I tried running SpamSieve on multiple Macs just to see how it would work, and things can occasionally become messy when multiple email clients are running SpamSieve at once since multiple copies of SpamSieve is trying to filter mail across multiple Macs at the same time. SpamSieve still works well as an additional level of spam filtering across email accounts, so I see myself continuing to use it in conjunction with the server-side spam filtering I’ve been using. My personal email account has a solid spam filter as well with server-side blocking. My work and school Office 365 accounts have EOP plus my work Office 365 account has a third-party spam filtering service. Most of my email accounts still have server-side junk filtering as well. The more it runs, the more accurate it becomes, and most days it’s spot-on on what it captures as spam versus good. It has done an excellent job capturing most spam mail with only occasionally one slipping by, and only occasionally marking false positives. Overall SpamSieve has been quite effective. It still works effectively with both mail clients, and I may test it with other mail clients as well. Outlook needs a little more configuration with per-account rules and mailboxes, plus AppleScripts for processing SpamSieve’s filtering and the ability to mark messages. macOS Mail uses a plugin, a Spam mailbox, and a custom rule for processing spam. I personally tested SpamSieve with macOS Mail and Outlook. SpamSieve takes a few minutes to initially setup and “train”, but once the setup and initial training process is complete, it runs well without much manual intervention unless one needs to mark another email message as spam or good. SpamSieve can adapt over time with a Bayesian filter and has whitelist and blocklist capabilities. Unlike server-side spam filters, SpamSieve works with multiple Mac email clients including macOS Mail, Outlook, etc., and it works with multiple email accounts (including Gmail, Exchange, and IMAP). SpamSieve is a spam filtering application for Mac that runs at the client-side. I managed to dig out my license code to SpamSieve a while back and take it for a test drive.
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