Q&A
Obtain answers for frequently asked questions regarding your Cisco product.
- What support resources and information are important to consider after purchase?
- Content Security Appliances FAQ: How do you perform a packet capture on a Cisco Content Security appliance?
- Do internally generated messages such as alerts and notifications get scanned by filters, anti-spam, or anti-virus?
- ESA FAQ: How do I force a download of Sophos or McAfee Anti-Virus updates immediately?
- ESA FAQ: How do you analyze intermittent mail delivery issues on the ESA?
- ESA FAQ: How do you specify multiple destination hosts with the alt-mailhost action?
- HAT Delayed Rejection FAQ
- How can I identify and address a mail loop situation on the ESA?
- How do I blacklist or drop a sending domain using Incoming Mail Policy and Content Filter?
- How do I configure a relay host on the ESA for outbound mail?
- How do I control body and attachment scanning in filters?
- How do I find my Cisco Contract Number?
- How do I find the serial number of my Cisco Content Security Appliance?
- How do I monitor the health of the ESA?
- How do I prevent my ESA from being used as an open relay?
- How do I search and view the mail logs on the ESA?
- How do I stop Bounce Verification from rejecting bounces on the ESA?
- How do I test a message or content filter to ensure it is working as designed?
- How do I test mail and network connectivity through an ESA using smtpping?
- Configure CRES Secure Encryption Service Message Replies using TLS Encryption 12/Sep/2019
- How do you Whitelist a Trusted Sender?
- How do you use LDAP Accept Query to validate the sender of relayed messages?
- How do you use pscp on Microsoft Windows?
- How does the Exception Table on the ESA work?
- How to configure Virtual Gateways?
- What SMTP response codes does the ESA support?
- What does "ICID lost" or "ICID close" mean?
- What does the SenderBase Reputation Score (SBRS) value of "none" mean, and how can I detect these scores?
- What is UNIX mbox (mailbox) format?
- What is the largest message size the Cisco ESA will accept?
- What is the release terminology for content security? (PDF - 67 KB) 25/Sep/2014
- Which is the default used IP address (AUTO) if there are multiple IP addresses on the same subnet?
- Why are disclaimers in footer displayed as attachments?
- Why do you see XXXXXXXA after EHLO and "500 #5.5.1 command not recognized" after STARTTLS?
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Support
- All support information for Cisco Secure Email Gateway
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