You could use Dovecot's "thread references" to produce an appropriate data structure from a variety of mail stores. See "Write a decent mailing list Web archiv

You could use Dovecot's "thread references" to produce an appropriate data structure from a variety of mail stores. See "Write a decent mailing list Web archive system" on http://suckless.org/project_ideas http://suckless.org/project_ideas for an example.