Preview Tool

Cisco Bug: CSCvs10083 - ESA: S/MIME signing happens after dot stuffing

Last Modified

Feb 27, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases


Description (partial)

ESA S/MIME signature will not pass verification for mails sent with Outlook using HTML/RTF format.  This is not necessarily limited in scope to Outlook-generated emails.  Any email with a line in the body that starts with "." could be affected.

ESA configured with S/MIME signing.
Emails sent through with lines that contain a leading "."
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.