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.
地址地址：
A>本站：http://www.5dmail.net/down/SoftList-1305.htm
B>官方：ftp://ftp.ipswitch.com/Ipswitch/Product_Support/IMail/imail822.exe
