Email Security

When we adopted the IronPort solution a few years ago, we implemented a whitelist sendergroup with a trusted mail flow policy. The sendergroup used a +6 to +10 score and the mail flow policy exempted senders from anti-spam processing. Up unitl the l...

Can someone help with a GUI subject filter I have defined? I've got a dictionary of subjects I'm quarantining and this one has me stumped. I need to filter subjects that begin with - [RochesterMI-Freecycle] - including the backets (not the hyphens). ...

My apologies up front. I am brand new to Ironport appliances.I have 2 C350's working in a cluster. All inbound filters are working great. I want to take advantage of the outbound content filters to monitor for credit card numbers in messages. The pro...

Hi Mentors, Can someone also explain if what will happened if im going to increase the cache entries of ldap on my c350? What will happened if im going to have it 50000...whats the impact.thanks for your helpkira

I'm trying to set up the Ironport as a Smarthost for my Exchange server. I've set up the Ironport according to the following instructions I found on a post here (see below). When I send an e-mail it get bounced with the following message - "<ironpo...

We've received two "block removal" requests from Topica.com recently. Their SenderBase reputation score is a fairly low -3 for many of their "silver" SMTP servers, but some of their servers like the "gold" and "platinum" ones have neutral or good r...

Hi gurus, Whats the best port to use if you have multiple domains in a forest.. Im using 389..would 3268 is ok? please advise..thank you

Hello All,does anyone know a method of detecting TLS encrypted messages within a message filter? I would like to add a footer to all messages received over an encrypted channel. My default email policy is set to "TLS preferred".Thanks,Markus

Hello,We have 3 ESA (one C300 and 2 C350) working in a cluster mode, two of them with an MX record of 50 and another one with 40. And also a C650 for cetralized management. We need to move them all to another data center. The move will take about 2 o...

HiDo you know where can I download the PDF user guide for an M650 appliance?thanks!

I am using a dictionary and content filter to find emails that contain certain terms such as: account number, member number, etc..I am running into an issue where I have a particular email that has a WORD document that contains the following line:acc...

Iv patched them separately before. So Iv been through that process. But now that they are clustered, I am not sure how to proceed. I think i should do this:1) Patch 1 unit. ( warning says all will be disconnected)2) when it reboots, re-join it to the...

When i send a mail from AS/400 to Ironport the char "@" was misinterpreted. AS/400 send's from: ATKTM@KTM.ATIronport Maillog: ATKTM01µKTM.ATMessage Tracking: ATKTM01\xb5KTM.AT any idea ?thanks

We just purchased an Ironport C150 and are in the process of testing it out and getting our setup completed, one of the things we want to do is reject incoming mail if an attachment has a certain file extension to it (ie, .bat but we have about 20 or...

Hi, currently I am utilizing 2 X1050s. I'm getting ready to add in an M1050. Has anyone (or is it possible) set these up to do over quota checks when the mail comes "in the front door?" I would like the M1050 to do the check so that it never gets d...