Email Security

Hi Karl,last week we received the following threath warning (from a reliable source):Threat:Outpost24 announced a threat two weeks ago about the TCP/IP stack, the impact of this threat is very high and involving all TCP/IP network based systems.This ...

Hi all,I am wanting to create a bounce profile for 2 particular email domains. (We have over 60 email domains).The Mail server for these 2 domains will be offline for 4 days and I am wanting to change the bounce profile so it will not give up before ...

I want to know if it is possible to automatically sync up a copy of the Safelist/Blocklist between two C100 appliances running 6.4.0. I currently have them using a "central" quarantine on one of the C100 appliances.My thoughts were if I could possib...

Hi there,I have just put an Iron Port C150 in place and works well, for the most part.A number of messages are not being delievered to Exchange even though the Iron Port states they are. I know the messages come in to the Iron Port as I am able to ca...

I have a content filter that goes like this :If attachment==exe then1. Quarantine - duplicate-quarantine("Policy")2. Strip Attachment by File Info - drop-attachments-by-filetype("Executable")It seems to be working fine. The recipient get the email w...

I am noticing, a couple of times per month, the following informationallog messages, in short bursts :Oct 14 13:22:18 hostname mt1: Info: ICID NNNNNNNNNN ACCEPT SG UNKNOWNLIST match sbrs[none] SBRS unable to retrieveThis is a two member C300 cluster ...

What happens to a message if I am stamping footers with dislaimer messages, but the outbound message is digitally signed?

Hi all.Anybody knows what's going on ?How comes the release notes are sudently not published any more ?Is there a fix for some super-big flaw 6.3.6/6.4.0 which we'd better not be exposed to when details get published ?

Is there a way to log the message filter drop action in order to see it in the "Overview" view?I have configured my ironports according to AnswerID 1202, and it works great.But, that doesn't seem to be logged, because I can see that most of the incom...

I have a chance (If I choose) to attend the Ironport C Series 2 day training. ... Is it worth it? I have the money, I just want to make sure it is well spent. We have an issue that keeps getting us blacklisted because of a mailbot. Getting into my Ir...

My c350 is set to update, but doesn't. I go to "Security services", and down to "service updates" and all the URLS are there, and interval is set to 11m. Yet every time I look, I am behind, and I force an update, and its all good until I look at it a...

Hello,I've had the benefit of using Ironport servers for years and we recently decommissioned our C60/600 servers and replaced them with C350s. Just today I noticed one of our C350s was non-responsive and one of my guys at our datacenter checked the ...

Hello all,I want to allow email for a special group only, if the mail- ist smaller than 20 MB- has no attachements- has one or more attachements of an allowed type (pdf, doc, xls, ...)All other attachements should be forwarded to an administration ac...

How can I set the system to not perform a RDNS on a specific domain or address? I have a company that is sending us some company documents but fails RDNS.

Hello, I followed the article 897 to create a centralized quarantine in one of my two C150.AP2 sends quarantined mails to AP1, and you can see that it says it's sending it to the external quarantine.But AP1 just takes the messages and deliver them.Wh...