starred/vaultwarden
1
0
Fork 0
mirror of https://github.com/dani-garcia/vaultwarden.git synced 2026-02-05 00:29:40 +03:00
Code Issues 32 Packages Projects Releases 10 Wiki Activity

SMTP sending mail error #1253

New Issue
Closed
opened 2026-02-05 00:23:43 +03:00 by OVERLORD · 0 comments
OVERLORD commented 2026-02-05 00:23:43 +03:00
Owner
Copy Link

Originally created by @Mickyjohn on GitHub (Apr 19, 2022).

I am self hosting the Vaultwarden on Almalinux 8.5. The postfix works by using echo command to send mail from terminal

Subject of the issue

SMTP mail error: Error sending SMTP test email
SMTP Client error: internal client error: No compatible authentication mechanism was found

Deployment environment

Your environment (Generated via diagnostics page)

  • Vaultwarden version: v1.24.0
  • Web-vault version: v2.25.1
  • Running within Docker: true (Base: Debian)
  • Environment settings overridden: true
  • Uses a reverse proxy: true
  • IP Header check: true (X-Real-IP)
  • Internet access: true
  • Internet access via a proxy: false
  • DNS Check: true
  • Time Check: true
  • Domain Configuration Check: true
  • HTTPS Check: true
  • Database type: SQLite
  • Database version: 3.35.4
  • Clients used:
  • Reverse proxy and version:
  • Other relevant information:

Config (Generated via diagnostics page)

Show Running Config

Environment settings which are overridden: SMTP_HOST, SMTP_SSL, SMTP_PORT, SMTP_FROM

{
  "_duo_akey": null,
  "_enable_duo": false,
  "_enable_email_2fa": false,
  "_enable_smtp": true,
  "_enable_yubico": false,
  "_ip_header_enabled": true,
  "admin_ratelimit_max_burst": 3,
  "admin_ratelimit_seconds": 300,
  "admin_token": "***",
  "allowed_iframe_ancestors": "",
  "attachments_folder": "data/attachments",
  "authenticator_disable_time_drift": false,
  "data_folder": "data",
  "database_max_conns": 10,
  "database_url": "****/**.*******",
  "db_connection_retries": 15,
  "disable_2fa_remember": false,
  "disable_admin_token": false,
  "disable_icon_download": false,
  "domain": "*****://*********.*****************.***",
  "domain_origin": "*****://*********.*****************.***",
  "domain_path": "",
  "domain_set": true,
  "duo_host": null,
  "duo_ikey": null,
  "duo_skey": null,
  "email_attempts_limit": 3,
  "email_expiration_time": 600,
  "email_token_size": 6,
  "emergency_access_allowed": true,
  "emergency_notification_reminder_schedule": "0 5 * * * *",
  "emergency_request_timeout_schedule": "0 5 * * * *",
  "enable_db_wal": true,
  "extended_logging": true,
  "helo_name": "*********",
  "hibp_api_key": null,
  "icon_blacklist_non_global_ips": true,
  "icon_blacklist_regex": null,
  "icon_cache_folder": "data/icon_cache",
  "icon_cache_negttl": 259200,
  "icon_cache_ttl": 2592000,
  "icon_download_timeout": 10,
  "icon_redirect_code": 302,
  "icon_service": "internal",
  "incomplete_2fa_schedule": "30 * * * * *",
  "incomplete_2fa_time_limit": 3,
  "invitation_org_name": "Wenzel Vaultwarden",
  "invitations_allowed": true,
  "ip_header": "X-Real-IP",
  "job_poll_interval_ms": 30000,
  "log_file": null,
  "log_level": "Info",
  "log_timestamp_format": "%Y-%m-%d %H:%M:%S.%3f",
  "login_ratelimit_max_burst": 10,
  "login_ratelimit_seconds": 60,
  "org_attachment_limit": null,
  "org_creation_users": "",
  "password_iterations": 100000,
  "reload_templates": false,
  "require_device_email": false,
  "rsa_key_filename": "data/rsa_key",
  "send_purge_schedule": "0 5 * * * *",
  "sends_allowed": false,
  "sends_folder": "data/sends",
  "show_password_hint": false,
  "signups_allowed": true,
  "signups_domains_whitelist": "",
  "signups_verify": false,
  "signups_verify_resend_limit": 6,
  "signups_verify_resend_time": 3600,
  "smtp_accept_invalid_certs": true,
  "smtp_accept_invalid_hostnames": true,
  "smtp_auth_mechanism": null,
  "smtp_debug": false,
  "smtp_explicit_tls": false,
  "smtp_from": "***********@*****************.***",
  "smtp_from_name": "Vaultwarden",
  "smtp_host": "*********.*****************.***",
  "smtp_password": "***",
  "smtp_port": 25,
  "smtp_ssl": false,
  "smtp_timeout": 150,
  "smtp_username": "",
  "templates_folder": "data/templates",
  "trash_auto_delete_days": null,
  "trash_purge_schedule": "0 5 0 * * *",
  "use_syslog": false,
  "user_attachment_limit": null,
  "web_vault_enabled": true,
  "web_vault_folder": "web-vault/",
  "websocket_address": "0.0.0.0",
  "websocket_enabled": false,
  "websocket_port": 3012,
  "yubico_client_id": null,
  "yubico_secret_key": null,
  "yubico_server": null
}

  • Install method: Docker Image

  • Clients used:

  • Web vault

  • Other relevant details:

Steps to reproduce

docker run -d --name vaultwarden
-e SMTP_HOST=bitwarden.mydomain.com
-e SMTP_FROM=bitwarden@mydomain.com
-e SMTP_PORT=25
-e SMTP_SSL=false
-e SMTP_USERNAME=
-e SMTP_PASSWORD=
-v /vw-data/:/data/
-p 8088:80
vaultwarden/server:latest

Expected behaviour

The mail should be sent

Actual behaviour

and in Postfix mail logs : -
Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: connect from unknown[172.17.0.2]
Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: discarding EHLO keywords: CHUNKING
Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: lost connection after EHLO from unknown[172.17.0.2]
Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: disconnect from unknown[172.17.0.2] ehlo=1 commands=1

Troubleshooting data

Postfix configuration:

postconf -n

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
command_directory = /usr/sbin
compatibility_level = 2
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5
html_directory = no
inet_interfaces = all
inet_protocols = all
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
meta_directory = /etc/postfix
mydestination = localhost.localdomain, localdomain, localhost, localhost.localdomain, localhost
myhostname = bitwarden.mydomain.com
mynetworks = 127.0.0.0/8, localhost, 172.17.0.0/16, 172.17.0.2
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix/README_FILES
relayhost =
sample_directory = /usr/share/doc/postfix/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
shlib_directory = /usr/lib64/postfix
smtp_tls_CApath = /etc/pki/tls/certs
smtp_tls_security_level = may
smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem
smtpd_tls_key_file = /etc/pki/tls/private/postfix.key
smtpd_tls_security_level = may
unknown_local_recipient_reject_code = 550

Originally created by @Mickyjohn on GitHub (Apr 19, 2022). I am self hosting the Vaultwarden on Almalinux 8.5. The postfix works by using echo command to send mail from terminal ### Subject of the issue SMTP mail error: Error sending SMTP test email SMTP Client error: internal client error: No compatible authentication mechanism was found ### Deployment environment ### Your environment (Generated via diagnostics page) * Vaultwarden version: v1.24.0 * Web-vault version: v2.25.1 * Running within Docker: true (Base: Debian) * Environment settings overridden: true * Uses a reverse proxy: true * IP Header check: true (X-Real-IP) * Internet access: true * Internet access via a proxy: false * DNS Check: true * Time Check: true * Domain Configuration Check: true * HTTPS Check: true * Database type: SQLite * Database version: 3.35.4 * Clients used: * Reverse proxy and version: * Other relevant information: ### Config (Generated via diagnostics page) <details><summary>Show Running Config</summary> **Environment settings which are overridden:** SMTP_HOST, SMTP_SSL, SMTP_PORT, SMTP_FROM ```json { "_duo_akey": null, "_enable_duo": false, "_enable_email_2fa": false, "_enable_smtp": true, "_enable_yubico": false, "_ip_header_enabled": true, "admin_ratelimit_max_burst": 3, "admin_ratelimit_seconds": 300, "admin_token": "***", "allowed_iframe_ancestors": "", "attachments_folder": "data/attachments", "authenticator_disable_time_drift": false, "data_folder": "data", "database_max_conns": 10, "database_url": "****/**.*******", "db_connection_retries": 15, "disable_2fa_remember": false, "disable_admin_token": false, "disable_icon_download": false, "domain": "*****://*********.*****************.***", "domain_origin": "*****://*********.*****************.***", "domain_path": "", "domain_set": true, "duo_host": null, "duo_ikey": null, "duo_skey": null, "email_attempts_limit": 3, "email_expiration_time": 600, "email_token_size": 6, "emergency_access_allowed": true, "emergency_notification_reminder_schedule": "0 5 * * * *", "emergency_request_timeout_schedule": "0 5 * * * *", "enable_db_wal": true, "extended_logging": true, "helo_name": "*********", "hibp_api_key": null, "icon_blacklist_non_global_ips": true, "icon_blacklist_regex": null, "icon_cache_folder": "data/icon_cache", "icon_cache_negttl": 259200, "icon_cache_ttl": 2592000, "icon_download_timeout": 10, "icon_redirect_code": 302, "icon_service": "internal", "incomplete_2fa_schedule": "30 * * * * *", "incomplete_2fa_time_limit": 3, "invitation_org_name": "Wenzel Vaultwarden", "invitations_allowed": true, "ip_header": "X-Real-IP", "job_poll_interval_ms": 30000, "log_file": null, "log_level": "Info", "log_timestamp_format": "%Y-%m-%d %H:%M:%S.%3f", "login_ratelimit_max_burst": 10, "login_ratelimit_seconds": 60, "org_attachment_limit": null, "org_creation_users": "", "password_iterations": 100000, "reload_templates": false, "require_device_email": false, "rsa_key_filename": "data/rsa_key", "send_purge_schedule": "0 5 * * * *", "sends_allowed": false, "sends_folder": "data/sends", "show_password_hint": false, "signups_allowed": true, "signups_domains_whitelist": "", "signups_verify": false, "signups_verify_resend_limit": 6, "signups_verify_resend_time": 3600, "smtp_accept_invalid_certs": true, "smtp_accept_invalid_hostnames": true, "smtp_auth_mechanism": null, "smtp_debug": false, "smtp_explicit_tls": false, "smtp_from": "***********@*****************.***", "smtp_from_name": "Vaultwarden", "smtp_host": "*********.*****************.***", "smtp_password": "***", "smtp_port": 25, "smtp_ssl": false, "smtp_timeout": 150, "smtp_username": "", "templates_folder": "data/templates", "trash_auto_delete_days": null, "trash_purge_schedule": "0 5 0 * * *", "use_syslog": false, "user_attachment_limit": null, "web_vault_enabled": true, "web_vault_folder": "web-vault/", "websocket_address": "0.0.0.0", "websocket_enabled": false, "websocket_port": 3012, "yubico_client_id": null, "yubico_secret_key": null, "yubico_server": null } ``` </details> <!-- How the server was installed: Docker image, OS package, built from source, etc. --> * Install method: Docker Image * Clients used: <!-- web vault, desktop, Android, iOS, etc. (if applicable) --> * Web vault * Other relevant details: ### Steps to reproduce docker run -d --name vaultwarden \ -e SMTP_HOST=bitwarden.mydomain.com \ -e SMTP_FROM=bitwarden@mydomain.com \ -e SMTP_PORT=25 \ -e SMTP_SSL=false \ -e SMTP_USERNAME= \ -e SMTP_PASSWORD= \ -v /vw-data/:/data/ \ -p 8088:80 \ vaultwarden/server:latest ### Expected behaviour The mail should be sent ### Actual behaviour and in Postfix mail logs : - Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: connect from unknown[172.17.0.2] Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: discarding EHLO keywords: CHUNKING Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: lost connection after EHLO from unknown[172.17.0.2] Apr 19 07:48:19 bitwarden postfix/smtpd[188087]: disconnect from unknown[172.17.0.2] ehlo=1 commands=1 ### Troubleshooting data Postfix configuration: postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin compatibility_level = 2 daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5 html_directory = no inet_interfaces = all inet_protocols = all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man meta_directory = /etc/postfix mydestination = localhost.localdomain, localdomain, localhost, localhost.localdomain, localhost myhostname = [bitwarden.mydomain.com](http://bitwarden.mydomain.com/) mynetworks = 127.0.0.0/8, localhost, 172.17.0.0/16, 172.17.0.2 newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix/README_FILES relayhost = sample_directory = /usr/share/doc/postfix/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop shlib_directory = /usr/lib64/postfix smtp_tls_CApath = /etc/pki/tls/certs smtp_tls_security_level = may smtpd_tls_cert_file = /etc/pki/tls/certs/postfix.pem smtpd_tls_key_file = /etc/pki/tls/private/postfix.key smtpd_tls_security_level = may unknown_local_recipient_reject_code = 550
Sign in to join this conversation.
No Branch/Tag Specified
Branches Tags
Labels
Clear labels
SSO
Third party
better for forum
bug
bug
documentation
duplicate
enhancement
future Vault
future Vault
future Vault
good first issue
help wanted
low priority
notes
pull-request
Mirrored from GitHub Pull Request
 question
troubleshooting
wontfix
No Label
Milestone
No items
No Milestone
Projects
Clear projects
No project
Assignees
Clear assignees
OVERLORD
No Assignees
1 Participants
Notifications
Due Date
No due date set.
Dependencies

No dependencies set.

Reference: starred/vaultwarden#1253
Delete Branch "%!s()"

Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?