March 4, 2010
Summary
Sophos is pleased to announce the availability of PureMessage for UNIX 5.5.9.1
Details
Note: This upgrade is only necessary if you’’’’re using the version of sendmail bundled with PureMessage. If you are using:
- PureMessage Postfix
- A stand-alone version of Postfix
- A standalone version of sendmail
it is not necessary to upgrade to version 5.5.9.1.
This is a maintenance release which upgrades the version of sendmail bundled with PureMessage to version 8.14.4 to address a security vulnerability. For more information, see the sendmail documentation.
If you are using the PureMessage version of sendmail, it is recommended that you upgrade immediately.
A complete list of updates and improvements is available in the release notes:
http://pmdocs.sophos.com/pmchanges
RSS feed at:
http://pmdocs.sophos.com/pmdocs/pm-release-notes/rss/pmx.xml
Recommendations
Sophos strongly recommends that customers stay up to date, and run the latest version of PureMessage.
If you have not already done so, Sophos also recommends reviewing the version/platform support policy, located here: http://pmdocs.sophos.com/pmdocs
For best anti-spam performance, Sophos recommends that you use IP Blocker at the MTA level to reject messages, or in the policy layer to discard, tag or quarantine messages from known bad senders.
Upgrading from PureMessage 5.x
Sophos strongly recommends reviewing the release notes and upgrade instructions in detail prior to updating. PureMessage 5.x customers can install all updates by performing the following steps:
1. As the PureMessage user ('pmx' by default), run
'pmx-service stop smtp' and 'pmx stop'.
2. As the root user, run '/opt/pmx/bin/pmx-setup'.
Using the menus, select 'Upgrade PureMessage Components', 'Check for updates', then 'Upgrade components'.
3. As the PureMessage user, run 'pmx start' and 'pmx-service start smtp'.
Detailed information on updating PureMessage 5.x (including from tarballs) is available here:
http://pmdocs.sophos.com/pmdocs
If you encounter any issues with PureMessage during this update, technical support is available at: http://www.sophos.com/support/queries/enterprise.html
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