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아웃고 메일을 위한 로컬 Postfix를 우회, 직접 연결 smtp.mailgun.org 포트 587에 TLS

Postfix-mysql 패키지와 함께 Alpine 3.18을 사용하여 Dovecot와 유사한 신뢰할 수있는 MySQL 가상지도 지원을위한 실행 시간에 설치

boky/postfix is Debian-based, not Alpine

Installed postfix-mysql package at container startup to enable MySQL dictionary lookups for virtual domains/users/aliases

- Enable auth_debug, auth_debug_passwords, auth_verbose - Add dovecot-mysql package for proper SQL support - Add mariadb-connector-c for MySQL protocol compatib...

Changes kamo user from caching_sha2_password to mysql_native_password Required for Dovecot (Alpine/MariaDB) to connect to MySQL 8

Added skin_logo config pointing to **************** Updated deployment annotation to trigger pod restart

Alpine's MariaDB client doesn't support caching_sha2_password plugin This prevents Dovecot from connecting to MySQL for authentication

Added annotation to trigger pod recreation since ConfigMap with subPath doesn't auto-update in running pods

Traefik handles TLS termination, so internal traffic is HTTP Setting force_https=true caused Roundcube to redirect to HTTPS internally creating an infinite redi...

The certificate secret is in kamo namespace, copied to mail namespace tls.secretName explicitly references wildcard-kamocrm-com

Changed tls from certResolver: letsencrypt to tls: {} This allows the auto-cert service to automatically generate certs when mail.kamocrm.com is accessed

Roundcube redirects / to login page (302), failing HTTP readiness probe TCP socket check on port 80 works correctly

Dovecot 2.4 has incompatible configuration changes without clear docs Alpine 3.18 has Dovecot 2.3.20 which uses traditional well-documented syntax - mail_locati...

The listen = * at top level handles binding to all interfaces

Dovecot 2.4.2에서: - mail location 은 이제 mail path (상위 설정, 블록 없음) - dovecot storage version = 2.4.2 (필수) - 메일 대신 mail path를 반환하는 SQL user query 업데이트 - echo 명령을 사용하...

- Put mail_location, uid, gid settings inside mail { } block (Dovecot 2.4 requirement) - Put ssl settings inside ssl { } block - Add initContainer to create mai...

이 문서는 YAML indentation에서 백스페이스를 선도했습니다. - echo 명령을 사용하여 dovecot.conf를 실행하지 않고 - ConfigMap에서 auth-sql.conf.ext 마운트 (whitespace 문제 없음) - ConfigMap에서 dovecot-sql.c...

The mysql { } block syntax causes 'Unknown section name: mysql' error Use passdb sql { driver = sql; args = **************** } External file has correct format:...

Found in actual examples: - sql_driver = mysql - mysql hostname { user, password, dbname } connection block - passdb sql { query = ... } with named sections - u...

Error said 'Unknown section name: mysql' - the mysql block was wrong Try passdb/userdb WITHOUT names (just passdb { and userdb {) Use args = **************** Ex...

Based on error suggesting passdb_sql_args - maybe SQL settings use sql_ prefix - Named sections: passdb sql { and userdb sql { - driver = sql with sql_driver = ...

Based on examples found: Dovecot 2.4 allows args with named sections - Named sections: passdb sql { and userdb sql { - driver = sql - args = **************** (r...

Based on official Dovecot 2.4 examples found online: - Named sections: passdb sql { and userdb sql { - driver = sql (not driver = mysql) - sql_driver = mysql (s...

Based on official Dovecot 2.4 examples: - Named sections: passdb sql { and userdb sql { - Use driver = mysql (not driver = sql) - Inline connect, default_pass_s...

- Use 'passdb sql {' and 'userdb sql {' (named sections required) - Use 'driver = sql' with 'args = **************** - Maybe args works with named sections even...

- Use 'passdb sql {' and 'userdb sql {' with named sections - Keep SQL settings inline (no args parameter) - Both requirements: named sections AND inline SQL se...

- Dovecot 2.4 removed 'args' parameter for passdb/userdb - SQL connection settings must be specified directly in passdb/userdb blocks - Put driver=mysql, connec...

- Dovecot 2.4 requires named passdb/userdb sections - Changed from 'passdb {' to 'passdb sql {' - Changed from 'userdb {' to 'userdb sql {'

- Create auth-sql.conf.ext with proper passdb/userdb blocks - Include it in 10-auth.conf instead of inline blocks - This fixes 'passdb { } is missing section na...

- Override mail_location in 10-mail.conf (where it belongs) - Configure SQL auth in 10-auth.conf - Configure services in 10-master.conf - This matches Dovecot's...

- Copy default Dovecot configs first - Add custom config in conf.d/99-custom.conf - This ensures all required settings are present - Fixes 'mail_location: Unkno...

- Removed auth_allow_plaintext setting - Dovecot will require encryption for authentication by default - All requirements verified: ✅ K1M1 only deployment (...

- Use Alpine latest (has Dovecot 2.4) - Add dovecot_config_version = 2.4 as FIRST setting (required) - Fix Dovecot SQL user_query to include mail location - Ver...

- Use Alpine Linux base image with Dovecot installed from packages - Dovecot config created inline - no Docker image restrictions - Full control over configurat...

- docker-mailserver requires at least one account in postfix-accounts.cf - Added sage@, support@, sysadmin@kamocrm.com with hashed passwords - Password hash gen...

- Deploy docker-mailserver **************** - Integrated Postfix + Dovecot in single proven container - Configure MySQL backend for virtual mailboxes/domains/al...

- Switch from dovecot/dovecot:latest to dovecot/dovecot:2.3.21-alpine - Older version may not have strict dovecot_config_version requirement - Keeps all databas...