If you’re part of the OS X Beta Program for Mac OS X 10.10 Yosemite, you can click this link (after installing SpamSieve) to sign up to receive beta versions of SpamSieve via the built-in Software Update command. When updating to the beta, please read all of the release notes. There’s also additional information here about pre-release versions of Mac OS X. You can click this link if you want to stop receiving beta updates.

If you are using a developer preview version of Yosemite (i.e. not the public beta), you should instead contact us via e-mail.

If you encounter any problems using a beta version of SpamSieve or a beta version of Mac OS X, please report them via e-mail.

Update (2014-08-21): A new beta version of SpamSieve is available for Yosemite Public Beta 2. After following the above instructions, just relaunch SpamSieve and it will offer to update you to the new beta.

Update (2014-09-15): A new beta version of SpamSieve is available for Yosemite Public Beta 3. After following the above instructions, just relaunch SpamSieve and it will offer to update you to the new beta.

Update (2014-09-22): A new beta version of SpamSieve is available for the Yosemite Mail Update.

Update (2014-09-30): A new beta version of SpamSieve is available for Yosemite GM 1.0.

Update (2014-10-07): A new beta version of SpamSieve is available for Yosemite GM 2.0.

Update (2014-10-09): That same version is compatible with Yosemite GM 3.0.

Update (2014-11-03): A new beta version of SpamSieve is available for Mac OS X 10.10.1 14B17.