Email Security

This morning I saw a new upgrades available on the box:Upgrades available:1. AsyncOS 4.5.0 build 736 upgrade, 2005-10-13while now, I'm running 4.5.0-735, what is the new updates on 736?Anyone?

Has anyone upgraded to 4.5? Has anyone turned on the centralized management features?

Is anyone else here using Bonded Sender?We are but we are noticing that Bonded Sender is inflating our output by approximately 3 to 4 times. Anyone else seeing this? (a concern for us as we have a limit on how many emails we can sender using the Bond...

Anyone using this in production yet? Thoughts? Specifically, is anyone using the conversational LDAP yet? Thoughts?

-updated subject to correctly categorize-We are seeing a high number of these on our limited honeypot accounts and are curious whether other people are suffering from them and to what degree, as well as what measures you have taken to mitigate them, ...

Hi, Is anyone else having problems with doing TLS as preferred? We have found this issue:1) if the remote site offers TLS but it does not work, the Ironport is unable to send the email and eventually it gets too old and is return to the sender as und...

we have a wild card SSL certificate for our domain (InstantSSL one) but it requires an intermediate CA certificate to be installed.does anyone know if this kind of certificate can be installed? I can install the wildcard cert but IE throws up an erro...

Has anyone had any success with lowering this score from the default of 75. Just curious as to what other companies are using for their threshold.

We would like to send a copy of all NDRs, DSNs, etc. to a particular email address. How would you handle that? I thought I could do it through bounceconfig as there is an option, "Do you want hard bounces sent to an alternate address?" but that redi...

Using an Alias table lookup running on mysql, how does one prevent backscatter from forged or virus emails?TIA,~Vern

Folks,1) smtpauth with ldap should be binding rather than retrieving password. Since userPassword is a multi-values attribute (SunDS), when grabbing the password to check, the DS returns the newest one first and auth fails. We have multiple passwor...

How many people are using Domain Keys? How are you currently implementing this authentication for mail you are sending?~Vern

So, I thought I'd try out a poll, and see what features people would like to see in the IronPort C-Series applicances...Not sure how the poll functions works, and if other people can add options, I guess we'll see.For me, I *definitely* want to see c...

I'm curious what types of policies the IronPort Nation has set up based on the SenderBase Reputation Score (SBRS)With the release of AsyncOS 4.0, we changed the recommended score to block connections to -4 (from -7), but I've seen all types of polici...

This is our current sender group order. Does it make sense?Internal machines that are allowed to relay through IronPort WHITELIST: TRUSTED Trusted senders have no Brightmail or rate limiting ManualBlock: BLOCKED manual blocks, and really b...