Francesco M. Taurino

same here, on linux, almost same packages list.

Without this check, you can search messages with "doveadm" with dates like "32-Jan-2022" or "31-Apr-2023", with very strange results. This simple check just prevent this situation, before calling imap_mktime.

Perhaps we can consider this basic check a date input validation, working both on 32 and 64 bit systems and also after 2038.