https://manpages.debian.org/unstable/getmail6/getmail.1.en.html
getmail(1) — getmail6 — Debian unstable — Debian Manpages
debian unstablegetmailmanpages
https://getmail6.org/configuration.html
getmail configuration
Official documentation for getmail version 6, an extensible mail-retrieval program with support for POP3, IMAP, SDPS, SSL, domain mailboxes, message filtering,...
getmailconfiguration