Re:Invalid password in passdb: Not a valid MD5-CRYPT or PLAIN-MD5 password

When using CRYPT to encrypt the password, you must put the following in dovecot-sql.conf.ext

default_pass_scheme = CRYPT

I hope this can help more people, in addition to leave you as I did my query:

password_query =
SELECT password
FROM users WHERE login = '%u

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