In previous versions, SpamButcher's spam email filter utilized "SMTP Blacklists" (lists of email servers that are known spam senders) to help determine which messages were likely spam.

Unfortunately, one of the Blacklists SpamButcher utilized was recently attacked by spammers:

http://www.pcworld.com/news/article/0,aid,112261,00.asp

Users of SpamButcher versions before 1.6a should upgrade.

Click Here to Download the latest Spambutcher

How can I check what version of SpamButcher I'm running?

To determine which version of SpamButcher you're running - click 'Configure' in SpamButcher. The version is shown in the title bar.

How will the lack of SMTP Blacklist support effect SpamButcher's ability to block spam?

SpamButcher now has other filter improvements and features to more than compensate for the lack of SMTP Blacklist support.

Will I need to pay for this upgrade? Will I need to re-enter my serial #?

Upgrades to SpamButcher are free of charge. You should not need to re-enter your serial #.