SendArc source
SendArc incorporates and modifies go-mapi by Marc Fargas. Covered source is published under LGPL-3.0-or-later at https://github.com/KapapiDev/sendarc.
Third-party software
Dependency licenses and notices are preserved in THIRD_PARTY_NOTICES.md and relevant vendored directories. Google, Gmail, Windows, and Affixa names belong to their respective owners.
Independence
SendArc is independent and is not affiliated with Google, Microsoft, Affixa, Notably Good Ltd., or the original go-mapi author.