DOVEADM-PW(1) Dovecot DOVEADM-PW(1) (NAME) doveadm-pw - Dovecot (SYNOPSIS) doveadm [GLOBAL OPTIONS] pw -l doveadm [GLOBAL OPTIONS] pw [-p password] [-r rounds] [-s scheme] [-u user] [-V] doveadm [GLOBAL OPTIONS] pw -t hash [-p password] [-u user] (DESCRIPTION) doveadm pw scheme . {scheme} {SHA512-CRYPT.HEX}. passdb {scheme} . (override) . Dovecot doveadm -O pw . (GLOBAL OPTIONS) doveadm(1): -D (verbosity) . -O . dovecot_storage_version -o . -k doveadm import_environment . -v (verbosity) . -i instance-name (instance) . instance_name . -c config-file config-file . /etc/dovecot/dovecot.conf . . -o setting=value (setting) /etc/dovecot/dovecot.conf userdb (value) . -o . (OPTIONS) -l scheme . scheme : BLF- CRYPT ( Blowfish) SHA256-CRYPT SHA512-CRYPT. libc . -p password (password) . password doveadm(1) . ( !) -r rounds (scheme) BLF-CRYPT SHA256-CRYPT SHA512-CRYPT (rounds) . / (rounds) . -r . +----------------------------------+-----------------+--------------------+-----------------------+ | (Scheme) | | | | +----------------------------------+-----------------+--------------------+-----------------------+ |BLF-CRYPT | 4 | 31 | 5 | +----------------------------------+-----------------+--------------------+-----------------------+ |SHA256-CRYPT | 1000 | 999999999 | 5000 | +----------------------------------+-----------------+--------------------+-----------------------+ |SHA512-CRYPT | 1000 | 999999999 | 5000 | +----------------------------------+-----------------+--------------------+-----------------------+ -s scheme (scheme) . CRYPT ( $2y$ bcrypt). scheme . : .b64 .base64 .hex. password_schemes . -t hash (hash) . ($) . -p . doveadm(1) . -u user DIGEST-MD5 (user) . Digest-MD5 auth_digest_md5 . . -V . . (EXAMPLES) ARGON2ID ( ): # doveadm pw -s ARGON2ID Enter new password: Retype new password: {ARGON2ID}$argon2id$v=19$m=65536,t=3,p=1$AOrrkaFmGxCFtX+NCSHFkg$N3rlzYFqyNkCwrOingnDJ/qDQ09yGHgQa8PQfbu7rIE SHA512-CRYPT: # doveadm pw -s SHA512-CRYPT Enter new password: Retype new password: {SHA512-CRYPT}$6$qAvxfQ2UbA1QTXSg$SB2aMEK76DBObt.KqTjF5.yDMceaD3dkG2UvrKQD0rZ9PKii/VAn.VS0nBsDqJX18kXieMi8AWJr0f7Ae9dAp/ (BUGS) doveconf -n Dovecot . : (SEE ALSO) doveadm(1) e5ac02a May 2026 DOVEADM-PW(1)