> Gmail is *advertised* as working that way. > > In practice, though, Gmail used to exhibit search/browse bugs (e.g. > failing to identify all relevant mails/threads) annoyingly often. This > was sometimes true via the official Gmail web interface, and was > especially true via the official mobile app, on at least some platforms. >
They are also losing/deleting messages. I have had several occassions where I send a message and my delivering server registered the Sent status of the gmail server and it just disappeared. > > In any case, for Dovecot, Joseph & Paul's advice to divide mail into > folders where possible seems sensible - especially for access over IMAP. > I also made some cronjobs, sieve scripts that archive/move message the most used folders/mailboxes to archive/2021, archive/2020 etc.