[VALIDATOR-487] EmailValidator insufficiently strict ("internationalized addresses" always pass as valid)

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.6, 1.8.0
• Assignee: Unassigned
• Reporter: Michael Osipov
• Created: 29/Nov/22 10:13
• Updated: 02/May/24 03:13

Description

Coming from https://github.com/everit-org/json-schema which uses EMailValidator to validate JSON schema type:

{
"type": "string",
"format": "email"
}

The problem is that the following email is returned as valid although according to rfc5321#section-4.1.2 local-part/dot-string/atom/atext (https://mailarchive.ietf.org/arch/msg/ietf-smtp/QlSTxHlY6cP6_Xwl6CpDvL5PQLo/) it must only contain ASCII printable chars:

др.живаго@example.com.

I'd expect that one could validate standard addresses and IDN ones.