官方于2005年12月5号发布IMail Server 8.22 Patch
，也就是Imail Server的 8.22版。发布说明如下：
Updates the following:
The following vulnerabilities were discovered by and resolved with the help of iDEFENSE, Inc. For more information, visit http://idefense.com.
SMTPD32: Fixed vulnerability caused by malicious commands.
IMAP4D32: Fixed vulnerability caused by malicious LIST command.
Requirements:You must have a current IMail server 8.2
license key to install version 8.22.