Please spaecify how to remove content filter for mails in zimbra.....our user getting content filter for encrypted zip files....have some coding kind of things.....it is imp for our user to share coding.......so please help me how to remove content filter for that....Please find following error message.

VIRUS ALERT

Our content checker found
virus: Encrypted.Zip

in an email to you from unknown sender:
?@InManH01.Tcs.com
claiming to be: <mohamedsafeek.s@xyz.com>

Content type: Virus
Our internal reference code for your message is 05790-05/MKI3S0Zg2D+b

First upstream SMTP client IP address: [172.*.*.*] InmanH01.xyz.com
According to a 'Received:' trace, the message originated at: [172.*.*.35],
InManh01.tcs.com InMumH01.xyz.com [*.*.*.*]

Return-Path: <mohamedsafeek.s@xyz.com>
X-Mailer: Lotus Notes Release 8.0.1 February 07, 2008
Message-ID:
<OF03B70DD8.08C27E16-ON65257757.0029EBC6-65257757.0029F3EC@xyz.com>
The message has been quarantined as: virus-MKI3S0Zg2D+b

Please contact your system administrator for details.