{"id":1677,"date":"2026-07-15T10:32:10","date_gmt":"2026-07-15T14:32:10","guid":{"rendered":"https:\/\/c-command.com\/blog\/?p=1677"},"modified":"2026-07-15T10:32:53","modified_gmt":"2026-07-15T14:32:53","slug":"spamsieve-3-3-1","status":"publish","type":"post","link":"https:\/\/c-command.com\/blog\/2026\/07\/15\/spamsieve-3-3-1\/","title":{"rendered":"SpamSieve 3.3.1"},"content":{"rendered":"<div class=\"app-icon\"><a href=\"http:\/\/c-command.com\/spamsieve\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/spamsieve-icon@2x.png\" height=\"128\" width=\"128\" alt=\"SpamSieve Icon\" \/><\/a><\/div>\n<div class=\"button\"><a href=\"https:\/\/c-command.com\/spamsieve\/help\/updating-from-a-previou\">Update<\/a><\/div>\n<div class=\"button\"><a href=\"https:\/\/c-command.com\/downloads\/SpamSieve-3.3.1.dmg\">Download<\/a><\/div>\n<div class=\"button\"><a href=\"https:\/\/c-command.com\/store\">Buy SpamSieve<\/a><\/div>\n<p>Version 3.3.1 of <a href=\"https:\/\/c-command.com\/spamsieve\/\">SpamSieve<\/a> is now available.<\/p>\n\n<p>Save time by adding powerful spam filtering to the e-mail client on your Mac. SpamSieve gives you back your inbox, using <a href=\"https:\/\/c-command.com\/spamsieve\/help\/identifying-spam\">Bayesian spam filtering<\/a> to provide amazing accuracy that\u2019s constantly improving. SpamSieve learns and adapts to your mail, so it\u2019s able to block nearly all the junk\u2014without putting good messages in the Junk mailbox. It\u2019s quick and easy to control SpamSieve from within Apple Mail, Outlook, Airmail, MailMate, MailMaven, GyazMail, and more.<\/p>\n\n<p>SpamSieve running on your Mac can keep the spam off your <a href=\"https:\/\/c-command.com\/spamsieve\/help\/iphone-spam-filtering\">iPhone\/iPad<\/a>, and you can even train SpamSieve <a href=\"https:\/\/c-command.com\/spamsieve\/help\/drone-setup-and-remote\">from your iOS device<\/a>. SpamSieve protects your privacy. It does not need access to your mail account login and does not transmit your mail data anywhere. All the processing is done on your Mac.<\/p>\n\n<p><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/purchase-check-upgrade-options@2x.png\" title=\"Purchase: Check Upgrade Options\"><img decoding=\"async\" loading=\"lazy\" align=\"right\" width=\"161\" alt=\"Purchase: Check Upgrade Options\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/purchase-check-upgrade-options-thumb%402x.png\" height=\"96\" \/><\/a><a href=\"https:\/\/c-command.com\/blog\/2026\/07\/15\/spamsieve-3-3-1\/\">SpamSieve 3.3.1<\/a> is a free update for those who have already purchased the <a href=\"https:\/\/c-command.com\/blog\/2023\/09\/21\/spamsieve-3-0\/\">SpamSieve 3.0 upgrade<\/a>. If you\u2019re using SpamSieve 2 and haven\u2019t upgraded yet, the easiest way is to first let SpamSieve install the new version. At launch, it will show the <strong>Purchase<\/strong> window, and you can click the <strong>Check Upgrade Options<\/strong> button to get the upgrade discount without having to enter your old serial number.<\/p>\n\n<p>The changes in this version are:<\/p>\n\n<ul>\n\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.3\/search-menu@2x.png\" title=\"Search Menu\"><img decoding=\"async\" loading=\"lazy\" width=\"161\" alt=\"Search Menu\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.3\/search-menu-thumb%402x.png\" height=\"217\" align=\"right\" \/><\/a>Made various changes to improve SpamSieve\u2019s filtering accuracy.<\/li>\n\t<li>Made various optimizations to reduce SpamSieve\u2019s memory use when processing large amounts of data.<\/li>\n\t<li>Made various optimizations to speed up <a href=\"https:\/\/c-command.com\/spamsieve\/help\/searching\">searching<\/a> by word in the <a href=\"https:\/\/c-command.com\/spamsieve\/help\/corpus\">Corpus<\/a> and <a href=\"https:\/\/c-command.com\/spamsieve\/help\/log\">Log<\/a> windows.<\/li>\n\t<li>When the same message is filtered more than once, the earliest prediction is now used for accuracy statistics calculations.<\/li>\n\t<li>The <a href=\"https:\/\/c-command.com\/scripts\/spamsieve\/copy-whitelist-addresses\">Copy Allowlist\/Blocklist Addresses<\/a> script has been updated and now uses a dedicated script property to make it much faster when you have lots of rules.<\/li>\n\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/blocklist@2x.png\" title=\"Blocklist\"><img decoding=\"async\" loading=\"lazy\" align=\"right\" width=\"161\" alt=\"Blocklist\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/blocklist-thumb%402x.png\" height=\"76\" \/><\/a>Accessing rules and words via AppleScript is much faster and now works with very large amounts of data, which previously would have triggered an AppleScript error about running out of memory.<\/li>\n\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/help-menu@2x.png\" title=\"Help Menu\"><img decoding=\"async\" loading=\"lazy\" align=\"right\" width=\"161\" alt=\"Help Menu\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/help-menu-thumb%402x.png\" height=\"220\" \/><\/a>Added the <a href=\"https:\/\/c-command.com\/spamsieve\/help\/traveling-away-from-you\">Traveling Away From Your Mac<\/a> section of the manual and a link from the <a href=\"https:\/\/c-command.com\/spamsieve\/help\/settings\">Settings<\/a> window.<\/li>\n\t<li>Improved the following sections of the manual:\n\t<ul>\n\t\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/help\/allowlist\">Allowlist<\/a><\/li>\n\t\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/help\/checking-the-training\">Checking the Training<\/a><\/li>\n\t\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/help\/filtering-spam-during-p\">Filtering Spam During Power Nap<\/a><\/li>\n\t\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/help\/train-as-good-spam\">Train as Good\/Spam<\/a><\/li>\n\t\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/help\/why-is-spamsieve-not-ca\">Why is SpamSieve not catching my spam?<\/a><\/li>\n\t<\/ul>\n\t<\/li>\n\t<li>Improved the tooltips in table views.<\/li>\n\t<li>Date and number formatting now automatically updates when the Mac\u2019s locale changes.<\/li>\n\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/corpus-spam-messages@2x.png\" title=\"Corpus: Spam Messages\"><img decoding=\"async\" loading=\"lazy\" align=\"right\" width=\"161\" alt=\"Corpus: Spam Messages\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/corpus-spam-messages-thumb%402x.png\" height=\"108\" \/><\/a>Improve handling of Unicode in filenames<\/li>\n\t<li>Improved the diagnostic report.<\/li>\n\t<li>Worked around a Core Data bug that could prevent the database from being saved.<\/li>\n\t<li>Worked around a Core Data bug that could cause a crash when calculating accuracy statistics if the database was damaged.<\/li>\n\t<li><a href=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/log-trained-spam@2x.png\" title=\"Log Window\"><img decoding=\"async\" loading=\"lazy\" align=\"right\" width=\"161\" alt=\"Log Window\" src=\"https:\/\/c-command.com\/spamsieve\/images\/3.2\/log-trained-spam-thumb%402x.png\" height=\"120\" \/><\/a>Worked around a Core Data bug that could cause spurious errors when <a href=\"https:\/\/c-command.com\/spamsieve\/help\/prune-full-message-data\">pruning the log<\/a>.<\/li>\n\t<li>Fixed a bug where <a href=\"https:\/\/c-command.com\/spamsieve\/help\/settings-apple-mail2\">Settings \u2023 Apple Mail \u2023 Setup<\/a> would continue warning about <a href=\"https:\/\/c-command.com\/spamsieve\/help\/check-inboxes-for-new-m\">Check inboxes for new messages not sent to Mail extension<\/a> being disabled even after you had enabled it.<\/li>\n\t<li>Fixed crash opening certain windows on macOS 10.13.<\/li>\n\t<li>Made various updates for Xcode 27 and macOS 27.<\/li>\n\t<li>Updated the German localization.<\/li>\n<\/ul>\n\n<p>SpamSieve 3.3.1 works with macOS 10.13 (High Sierra) through macOS 27 (Golden Gate) and requires an <a href=\"https:\/\/c-command.com\/spamsieve\/help\/requirements\">e-mail client<\/a>. Older <a href=\"https:\/\/c-command.com\/spamsieve\/help\/version-history\">SpamSieve versions<\/a> are <a href=\"https:\/\/c-command.com\/spamsieve\/support#older-versions\">available<\/a> for older versions of macOS. In-depth information about SpamSieve is available in the <a href=\"https:\/\/c-command.com\/downloads\/manual\/SpamSieveManual-3.3.1.pdf\">manual<\/a>.<\/p>\n\n<p>If you enjoy using SpamSieve, please take a moment to review it on <a href=\"https:\/\/www.macupdate.com\/app\/mac\/9116\/spamsieve\">MacUpdate<\/a> or to mention it on <a href=\"https:\/\/twitter.com\/spamsieve\">Twitter<\/a>, <a href=\"https:\/\/indieapps.space\/@spamsieve\">Mastodon<\/a>, <a href=\"https:\/\/www.instagram.com\/spamsieve\/\">Instagram<\/a>, Facebook, or your own site. We\u2019d really appreciate it.<\/p>","protected":false},"excerpt":{"rendered":"<p>Update Download Buy SpamSieve Version 3.3.1 of SpamSieve is now available. Save time by adding powerful spam filtering to the e-mail client on your Mac. SpamSieve gives you back your inbox, using Bayesian spam filtering to provide amazing accuracy that\u2019s constantly improving. SpamSieve learns and adapts to your mail, so it\u2019s able to block nearly [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/posts\/1677"}],"collection":[{"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/comments?post=1677"}],"version-history":[{"count":2,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/posts\/1677\/revisions"}],"predecessor-version":[{"id":1679,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/posts\/1677\/revisions\/1679"}],"wp:attachment":[{"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/media?parent=1677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/categories?post=1677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c-command.com\/blog\/wp-json\/wp\/v2\/tags?post=1677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}