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Using both aliasing and subaddress removal causes Recipient Validation failure

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Article ID: 161712

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Updated On:

Products

Messaging Gateway

Issue/Introduction

When using the Symantec Messaging Gateaway alias feature together with the subaddress removal feature, Recipient Validation fails for the aliased email address. This can result in the message being rejected or silently deleted depending on the configured action for Recipient Validation.

550 5.1.1 Recipient address rejected: User unknown

Environment

Messaging Gateway 10.5
Messaging Gateway 10.6

Resolution