Support quoted local part and extend tests around @Email constraint

Description

The Wikipedia page on e-mail addresses contains many examples of valid and invalid e-mail addresses. We should add some of these examples to the test suite.

Environment

None

Status

Assignee

Marko Bekhta

Reporter

Gunnar Morling

Labels

Feedback Requested

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backPortable

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Suitable for new contributors

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backportDecision

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backportReEvaluate

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Components

Fix versions

Priority

Major
Configure