https://skmtc.net/sigparser/apis/sigparser-stateless-email-parsing-apis/docs/api/Email/get 2026-07-26 0.5 https://skmtc.net/sigparser/apis/sigparser-stateless-email-parsing-apis/docs/api/Email/post 2026-07-26 0.5 https://skmtc.net/sigparser/apis/sigparser-stateless-email-parsing-apis/docs/api/Mime/ParseString/post 2026-07-26 0.5