Email Security

Hello,We are running into a problem since switching to IronPort email filtering from our Exchange Servers using SMTP.  We have several websites running PHP and using the PHP mail() command to send HTML email directly from applications.  We set the Co...

Hello, Ironport aborts receiving many messages with empty subject from one existing sender. Maybe it is notification-messages (or bounce messages) about receiving from sender mail server, because ironport receives some messages from that mail server ...

We are using ESA for internal SMTP relay servers in our domain, now I have a request from the internal server they want to send to external domains my worries is if allowed the servers IP to send to outside it will be acting as open relay so how I ca...

For the Cisco Email Security Appliance (Cisco Ironport tool).  Would it cause any impact on platform?, If I reset and unlock a lost administrator account password.

Is there a way to block embedded links in Worddocuments? Reason is the embedding of malware in word documents in this On Dridex and a new "Zero-Day-Distribution" method link. So far, we created a filter which detects the content oleObject#.bin in Of...

I have a question involving splintering.  We have two groups (clusters) of Ironport gateways.  When an email comes to the first set, if it is to one of our internal domains, then it gets routed by an SMTP route to an MX name that is our internal emai...

This week we got a lot of spam. Every spam mail has a zip-attachment with a *.wsf File in it. (e.g.Receipt 4382-0694.zip -> Receipt 12060-610911.wsf)https://myonlinesecurity.co.uk/blank-email-receipt-malspam-delivers-locky-thor-version/I wrote this f...

Hello, I am attempting to dive into the logs of our Cisco C300V and I am wondering which logs I should be subscribing to and reviewing?  We are using Cisco's Rep Filters, a couple DNSBL's, some content filtering, etc.  I want to get some insight as t...

HI There is penertation test done on ESA and below is detail•1)       SSH Insecure HMAC Algorithms EnabledSOLUTIONDisable any 96-bit HMAC  Algorithms.-------------- how we can disable this in ironport emailDisable any  MD5-based HMAC Algorithms  ----...

Hello! I am wanting add user name.  Upload screenshots. Passphrase: swizzles saran, introduce in all three lines? Or a string of "Confirm your Passphrase to make changes" is required to enter another passphrase?

Cisco C100V Email security virtual appliance.Locked "admin". I have an Appliance Serial Number.I want unlock built-in account "admin".AdminPassword? (pwd)