PLEASE READ Advisory: Kernel memory issue affecting multiple OS (aka F**CKWIT, KAISER, KPTI, Meltdown & Spectre) for the latest updates.
News: New software version
The latest version of PureMessage Unix, version 6.4, is coming soon. This update will add Sophos Delay Queue to the range of included email security features, helping to stamp out Snowshoe spam – the attackers preferred method of sending spam.
Sophos Delay Queue gives you future proof protection against snowshoe spam - intelligently delaying suspicious mail to run further anti-spam checks. Then automatically rescanning content with updated definitions to increase detection.
The initial release of PureMessage Unix 6.4 is now available via the Sophos Support Team. For customers looking to upgrade their servers to this latest version now, please contact support at email@example.com.
Access to version 6.4 will be available through the regular update mechanism shortly, with an update sent at the time.
How Delay Queue works