### Waku Specs

 - [waku/0](./waku-0.md) specs for `waku/0` version, now deprecated
 - [waku/1](./waku-1.md) specs for `waku/1` version, current stable version
 - [envelope data format](./envelope-data-format.md) - [waku](./waku.md) envelope data field specification.
 - [mailserver](./mailserver.md) - Mailserver specification for archiving and delivering historical [waku](./waku.md) envelopes on demand.