Email Security

I am trying to use the Attachement Content Filter to prevent the distribution of a sensitive document outside of our orginization. I have a filter that matches on the filename that works fine. However when I try to filter based on attachment contents...

We have a policy to block spoofed e-mail based on DKIM.  Any message with our domain that originates outside of our network will not be DKIM signed, and therefore goes into the quarantine 'policy'.Our website however is hosted off site and we have a ...

What would be the best way to modify an incoming sender address so that messages from any account on a certain domain (user1@mycompany.com, user2@mycompany.com, etc) appear to the user as a single address (singleuser@mycompany.com)?What I have is a p...

Dear Cisco IronPort customers.As of 2:30PM PST 08/06/2010 the Cisco IronPort Customer Support ticketing system experienced a system problem that may prevent customers from being able to view their open support tickets.  If you are encountering a new ...

Hi We are still running out c300 ironport device does anyone know if there is any issues with sophos scanning office 2010 documents we have just had a power point file blocked due to it timing out scanning i converted the document to 2003 format and ...

I'm interested if the Ironport supports (or will in the future) querying the Spamhaus DBL: http://www.spamhaus.org/news.lasso?article=655 Unlike other DNS block lists, this one supports domain name queries only and does not support IP address queries...

Do we still send reports to these addresses or does Cisco use new ones? Been getting a lot of missed spam lately and despite reports for very similar spam emails they still are not being blocked.False positives should go to ham@access.ironport.comFal...

My certs for the SSL management page expired. I used my internal/private Microsoft CA to generate my own intranet certs and used them a few years ago.The process was PAINFULL and seems to still be the case on the AsyncOS 7.xHandling PEM files is the ...

Hi all,One of our servers is sending a dump of its configuration to our vendor. This mail is fragmented and is always dropped by our Ironport applicance.The mail is always sent to the same e-mail address (support@vendor.com), so I created a new outgo...

Does IronPort have any mechanism to report missed viruses, something along the lines of ham@access.ironport.com? We have IronPort C660s on our perimeter and Exchange 2007 running ForeFront and occasionally ForeFront will detect an e-mail with a virus...