Hello,
I installed Vaultwarden 1.26 on a Synology (DSM 7.1.1).
I’m able to send mails with the smtp server of my provider.
But with my internal Exchange 2013 I get this error :
Can anyone tell me where and what to look for?
022-11-24T10:22:42.573731675Z stdout [2022-11-24 10:22:42.571][vaultwarden::mail][ERROR] SMTP Connection error: Connection error: unexpected EOF
2022-11-24T10:22:42.573672776Z stdout }
2022-11-24T10:22:42.573588403Z stdout },
2022-11-24T10:22:42.572964154Z stdout ),
2022-11-24T10:22:42.572876523Z stdout },
2022-11-24T10:22:42.572770114Z stdout error: "ok",
2022-11-24T10:22:42.572692036Z stdout code: 0,
2022-11-24T10:22:42.572614640Z stdout X509VerifyResult {
2022-11-24T10:22:42.572529635Z stdout },
2022-11-24T10:22:42.572448490Z stdout cause: None,
2022-11-24T10:22:42.572373140Z stdout ),
2022-11-24T10:22:42.572296386Z stdout 5,
2022-11-24T10:22:42.572215671Z stdout code: ErrorCode(
2022-11-24T10:22:42.572139128Z stdout Error {
2022-11-24T10:22:42.572058564Z stdout source: Ssl(
2022-11-24T10:22:42.571978903Z stdout kind: Connection,
2022-11-24T10:22:42.571892354Z stdout source: lettre::transport::smtp::Error {
2022-11-24T10:22:42.571773032Z stdout kind: Connection,
2022-11-24T10:22:42.571580665Z stdout [2022-11-24 10:22:42.571][vaultwarden::mail][DEBUG] SMTP lettre::transport::smtp::Error {
2022-11-24T10:22:42.547262433Z stdout [2022-11-24 10:22:42.546][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF>
2022-11-24T10:22:42.547189127Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF>
2022-11-24T10:22:42.547114338Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] server EXCHANGE2013.mycompany.local with {StartTls, EightBitMime}
2022-11-24T10:22:42.547010596Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>250-X-EXPS GSSAPI NTLM<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 XRDST<CRLF>
2022-11-24T10:22:42.546898453Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>250-X-EXPS GSSAPI NTLM<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
2022-11-24T10:22:42.546765256Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>250-X-EXPS GSSAPI NTLM<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
2022-11-24T10:22:42.546530101Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>250-X-EXPS GSSAPI NTLM<CRLF>250-8BITMIME<CRLF>
2022-11-24T10:22:42.546425637Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>250-X-EXPS GSSAPI NTLM<CRLF>
2022-11-24T10:22:42.546329675Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>250-AUTH NTLM<CRLF>
2022-11-24T10:22:42.546235867Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-X-ANONYMOUSTLS<CRLF>
2022-11-24T10:22:42.546138140Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>
2022-11-24T10:22:42.546045627Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
2022-11-24T10:22:42.545911187Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
2022-11-24T10:22:42.545619579Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>250-PIPELINING<CRLF>
2022-11-24T10:22:42.545525201Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>250-SIZE 104857600<CRLF>
2022-11-24T10:22:42.545364214Z stdout [2022-11-24 10:22:42.545][lettre::transport::smtp::client::async_connection][DEBUG] << 250-EXCHANGE2013.mycompany.local Hello [192.168.1.1]<CRLF>
2022-11-24T10:22:42.536425825Z stdout [2022-11-24 10:22:42.535][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vaultwarden<CRLF>
2022-11-24T10:22:42.535939354Z stdout [2022-11-24 10:22:42.535][lettre::transport::smtp::client::async_connection][DEBUG] << 220 EXCHANGE2013.mycompany.local Microsoft ESMTP MAIL Service ready at Thu, 24 Nov 2022 11:22:41 +0100<CRLF>
and the support string
### Your environment (Generated via diagnostics page)
* Vaultwarden version: v1.26.0
* Web-vault version: v2022.10.0
* 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:** SIGNUPS_ALLOWED, ADMIN_TOKEN
```json
{
"_duo_akey": null,
"_enable_duo": false,
"_enable_email_2fa": false,
"_enable_smtp": true,
"_enable_yubico": true,
"_icon_service_csp": "",
"_icon_service_url": "",
"_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_conn_init": "",
"database_max_conns": 10,
"database_timeout": 30,
"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_expiration_hours": 120,
"invitation_org_name": "Vaultwarden",
"invitations_allowed": true,
"ip_header": "X-Real-IP",
"job_poll_interval_ms": 30000,
"log_file": null,
"log_level": "debug",
"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_hints_allowed": true,
"password_iterations": 100000,
"reload_templates": false,
"require_device_email": false,
"rsa_key_filename": "data/rsa_key",
"send_purge_schedule": "0 5 * * * *",
"sends_allowed": true,
"sends_folder": "data/sends",
"show_password_hint": false,
"signups_allowed": false,
"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": "login,plain",
"smtp_debug": true,
"smtp_explicit_tls": null,
"smtp_from": "**********.*****@********.**",
"smtp_from_name": "Vaultwarden",
"smtp_host": "************.********.*****",
"smtp_password": "***",
"smtp_port": 25,
"smtp_security": "starttls",
"smtp_ssl": null,
"smtp_timeout": 30,
"smtp_username": "********\\******",
"templates_folder": "data/templates",
"tmp_folder": "data/tmp",
"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
}