Email Security

I have an odd problem that so far Cisco has not been able to resolve.  We are in the process of migrating from AT&T fiber to Comcast Business Fiber.  All DNS records have been moved over. We currently have both links up. The ASA configuration is setu...

Hi All,Request you all to help me out in blocking/dropping only the attachments with the extension .rar and .zip in incoming mails for particular users or domains.as of now I have did for all the domains or users.However, I want to unblock it only fo...

Hi,We keep receiving these messages, can someone tell me what this refers to please?The Critical message is: An application fault occurred: ('egg/coro_ssl.py _non_blocking_retry|118', "<type 'exceptions.OSError'>", '[Errno 0] Error', '[egg/smtp_clien...

HiWe have just set up CRES on our C370 During testing the first email sent for CRES encryption is sat in a que, have we missed something in the setup. Regards Andrew 

Is anyone experiencing degraded Sophos performance in the last 48 hours?We have a number of PDF infectors coming in (HEUR:Exploit.PDF.Generic) that Sophos chokes on and can't scan. AV timeout gets exceeded, but the work queue grows to enormous size a...

i have a question about that how to limit snmp attack from inside network for prevent our ip addresses to go in blacklisti did explore how to solve this problemand i have found few solution1. SMTP requests are send only permitted host(mail server)s o...

Hello everyone, since a few days we have been received the following error message in our logs. 26 May 2014 12:16:03 (GMT -05:00) Protocol SMTP interface Data 1 (IP x.x.x.x) on incoming connection (ICID 69032804) from sender IP200.16.40.21. Reverse D...

Hi All, there is a warning message on one of my IronPort C300VVersion: 8.0.1-023The error message is mention below"The updater has been unable to communicate with the update server for at least 1h." please suggest the issue and steps to resolve the p...

Anyone else getting these? I am on both my C670s and M670s.  Jason

I am having issues with upgrading of current version.  The feature keys are within date and do not expire until next year.  It seems some are being updated and others not. I am able to update for -Ironport Anti-Spam - [All forced]Sophos Anti-Virus - ...

Dears, I have an appliance with version 7.5, how can I request to get the upgrade to async 8?If i go to system upgrade it states that there is no upgrade

I'm trying to log the username from the postfix authenticated sender header information.Here is an example of the header:Received: from [123.123.123.123] (client.domain.edu [234.234.234.234])(using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 b...

Dear friend. I have problem with Content Filter when configure Cisco Security Virtual Appliance.You can see my rule on attachment picture.But when I sent an email with subject : "RE: Nh? m? case l?i k?t n?i t? KH qua firewall Checkpoint", it's block ...