Return 400 instead of 500 in case of quarantined address

Description

In relation to PLFM-5842, we currently return a 500 when a user interact with a service that tries to send a message to a quarantined address. We should instead return a 400.

Environment

None

Status

Assignee

Marco Marasca

Reporter

Marco Marasca

Labels

None

Validator

Jay Hodgson

Release Version History

None

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Fix versions

Priority

Major
Configure