2026-10-08 00:14:14 +02:00
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# Mail Address Semantics (MAS) v0.1 — Specification Bundle
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This bundle turns the MAS v0.1 concept into an implementable draft.
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## Contents
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2026-10-18 18:08:36 +02:00
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- `SPECIFICATION.md` — normative protocol/convention text (revision v0.1.1)
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- `CHANGELOG.md` — errata applied since v0.1
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2026-10-08 00:14:14 +02:00
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- `grammar/mas-v0.1.abnf` — canonical ASCII local-part grammar
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- `schema/mas-statute-v0.1.schema.json` — statute discovery document schema
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- `examples/mas-statute.example.json` — example statute
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- `CONFORMANCE.md` — parser/generator/statute conformance rules
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- `conformance/addresses.json` — positive and negative address fixtures
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- `reference/mas_parser.py` — small non-normative reference parser
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## Profiles
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- **P1 / Naming + Resource:** naming hints, `=` resource binding, `+` facet
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- **P2 / Interaction:** optional `!` interaction preference
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- **P3 / Economic:** reserved only; `$` and `^` have no v0.1 semantics
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The normative machine grammar is deliberately ASCII-only. SMTPUTF8/Unicode
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addresses may exist, but Unicode MAS semantics are not part of the canonical
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v0.1 grammar.
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## Discovery status
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`/.well-known/mas` is specified here as the intended discovery location.
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RFC 8615 requires new well-known URI suffixes to be registered for general
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Internet use. Until such registration exists, this path should be considered
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a draft/controlled-deployment convention rather than an IANA-registered
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Internet-wide well-known URI.
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