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Cisco Bug: CSCzv14347 - ENH: Treat 552 RCPT TO reply as permanent error

Last Modified

Feb 26, 2019

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

6.0.0-757 6.1.0-000 6.1.1-000 6.1.5-000 6.4.0-000 6.5.0-000

Description (partial)

Symptom:
Email Security Appliance will treat any "552" error code as a "Soft Bounce" (temporary failure) and retry delivery per the bounce profile.

Conditions:
Normal Mail flow where the appliance receives a "552" error code while trying to deliver a message.
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Bug Details Include

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  • Status
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