ESA (Ironport) SenderBase and DNS. How It Works?

Applies to Cisco E-Mail Security Appliance 9.x.x Thanks to my colleague Sedat Tavukçu for testing and supporting this post. SenderBase Documentation: If you read Cisco Email Security Appliance  documentation, review the pictures for Sender Base process you may think that … Continue reading

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SOLUTION: Cisco ESA (Ironport) Mails are backing up (waiting) in the workqueue. If URL Filtering configured

Applies to: Cisco Email Security Appliance 9.1.0-032 and above with URL Filtering. Symptoms: Outgoing and incoming internet mails are delivered with a delay. Workqueue command shows up to 5000 mails in the queue. If you track the messages you noticed … Continue reading

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SOLUTION: TMG OWA Publishing Error: Status: 70 The remote server has been paused or is in the process of being started

Applies to: Threat Management Gateway 2010, Exchange 2013 Problem: You want to publish Exchange 2013 OWA via TMG using web farm consists of more than one Exchange 2013 CAS Servers. Allowed necessary ports on firewall, created listeners, installed certificated etc. … Continue reading

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SOLUTION: Cannot sign in Jabber error: The Web Page cannot be displayed

Applies to Cisco IM&P 10.5.X, Cisco Jabber 11.1 Problem: You configured single sign on by using Microsoft Active Directory Federation services and CUCM so that Jabber users can sign in without entering user and password. But some users cannot sign … Continue reading

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Exchange 2016 Visual Message Tracking with PowerShell Parameter Out-GridView

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Exchange 2016 Visual Message Tracking with PowerShell Parameter Out-Gridview Applies to Exchange 2016 RTM Problem: Lack of Message Tracking Log Explorer Tool is the number 1 inadequacy Exchange 2013 and Exchange 2016. No discussion here. In this post I want … Continue reading

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SOLUTION: Cannot Move Database in Exchange 2016 DAG with Error: Database was suppressed because too many moves have happened recently

Applies to Exchange 2016 Problem: Sometimes you may need to move back and forward (activate) databases between the nodes many times in a short period of time. (For troubleshooting, testing or maintenance etc. purposes). When you try to move back … Continue reading

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How To Change IP address of a Cisco ESA (Ironport) Node in Cluster

Applies to Cisco Email Security Appliance (Ironport) Version: 9.6.x Issue: Assume that you have a Ironport cluster consists of 3 ironport hosts: Esa1 (10.10.10.1) , esa2 (10.10.10.2)  and esa3 (10.10.10.3) . You need to change IP address of esa3 to … Continue reading

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