Proxy4Smtp SOCKS5 service unreachable on port 1081 (all IPs timeout)

{
  "is_reachable": "unknown",
  "smtp": {
    "error": {
      "type": "Socks5",
      "message": "i/o error: Operation timed out (os error 110)"
    }
  }
}

# Ping works
$ ping -c1 51.89.178.174
64 bytes from 51.89.178.174: icmp_seq=1 ttl=43 time=108 ms

# Port 1081 times out
$ nc -vz -w5 51.89.178.174 1081
nc: connect to 51.89.178.174 port 1081 (tcp) timed out

host: "51.89.178.174"
port: 1081
username: "verify"
password: "verify"

services:
  # RabbitMQ - Job Queue
  rabbitmq:
    image: rabbitmq:4.0-management
    container_name: reacher-rabbitmq
    restart: unless-stopped
    networks:
      - reacher-internal
    environment:
      RABBITMQ_DEFAULT_USER: ${REACHER_RABBITMQ_USER:-reacher}
      RABBITMQ_DEFAULT_PASS: ${REACHER_RABBITMQ_PASS}
    healthcheck:
      test: rabbitmq-diagnostics -q ping
      interval: 10s
      timeout: 5s
      retries: 5

  postgres:
    image: postgres:14
    container_name: reacher-postgres
    restart: unless-stopped
    networks:
      - reacher-internal
    environment:
      POSTGRES_USER: ${REACHER_POSTGRES_USER:-reacher}
      POSTGRES_PASSWORD: ${REACHER_POSTGRES_PASSWORD}
      POSTGRES_DB: ${REACHER_POSTGRES_DB:-reacher_db}
    volumes:
      - reacher-postgres-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${REACHER_POSTGRES_USER:-reacher} -d ${REACHER_POSTGRES_DB:-reacher_db}"]
      interval: 10s
      timeout: 5s
      retries: 5

  reacher-api:
    image: reacherhq/commercial-license-trial:latest
    container_name: reacher-api
    restart: unless-stopped
    networks:
      - proxy
      - reacher-internal
    depends_on:
      rabbitmq:
        condition: service_healthy
      postgres:
        condition: service_healthy
    environment:
      - RCH__COMMERCIAL_LICENSE_TRIAL__API_TOKEN=${REACHER_API_TOKEN}
      - RCH__HEADER_SECRET=${REACHER_HEADER_SECRET}
      - RCH__HTTP_HOST=0.0.0.0
      - RCH__WORKER__ENABLE=false
      - RCH__WORKER__RABBITMQ__URL=amqp://${REACHER_RABBITMQ_USER:-reacher}:${REACHER_RABBITMQ_PASS}@rabbitmq:5672
      - RCH__STORAGE__POSTGRES__DB_URL=postgres://${REACHER_POSTGRES_USER:-reacher}:${REACHER_POSTGRES_PASSWORD}@postgres:5432/${REACHER_POSTGRES_DB:-reacher_db}
      - RUST_LOG=reacher=debug
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.reacher.rule=Host(`reacher.${DOMAIN}`)"
      - "traefik.http.routers.reacher.entrypoints=websecure"
      - "traefik.http.routers.reacher.tls.certresolver=spaceship"
      - "traefik.http.services.reacher.loadbalancer.server.port=8080"

  reacher-worker:
    image: reacherhq/commercial-license-trial:latest
    restart: unless-stopped
    networks:
      - reacher-internal
    depends_on:
      rabbitmq:
        condition: service_healthy
      postgres:
        condition: service_healthy
    deploy:
      replicas: 3
    environment:
      - RCH__COMMERCIAL_LICENSE_TRIAL__API_TOKEN=${REACHER_API_TOKEN}
      - RCH__WORKER__ENABLE=true
      - RCH__WORKER__RABBITMQ__URL=amqp://${REACHER_RABBITMQ_USER:-reacher}:${REACHER_RABBITMQ_PASS}@rabbitmq:5672
      - RCH__WORKER__RABBITMQ__CONCURRENCY=5
      - RCH__STORAGE__POSTGRES__DB_URL=postgres://${REACHER_POSTGRES_USER:-reacher}:${REACHER_POSTGRES_PASSWORD}@postgres:5432/${REACHER_POSTGRES_DB:-reacher_db}
      - RUST_LOG=reacher=debug

networks:
  proxy:
    external: true
  reacher-internal:
    driver: bridge

volumes:
  reacher-postgres-data:

2026-01-16T07:48:56.884963Z  INFO reacher: Starting verification email="[email protected]"
2026-01-16T07:48:56.885108Z DEBUG reacher: Checking email [email protected]
2026-01-16T07:48:56.886496Z DEBUG reacher: Found syntax validation [email protected] syntax=SyntaxDetails { address: Some(EmailAddress(EmailAddress("[email protected]"))), domain: "gmail.com", is_valid_syntax: true, username: "redacted", normalized_email: Some("[email protected]"), suggestion: None }
2026-01-16T07:48:56.899932Z DEBUG reacher: Found MX hosts [email protected] mx_hosts=["5 gmail-smtp-in.l.google.com.", "40 alt4.gmail-smtp-in.l.google.com.", "10 alt1.gmail-smtp-in.l.google.com.", "20 alt2.gmail-smtp-in.l.google.com.", "30 alt3.gmail-smtp-in.l.google.com."]
2026-01-16T07:48:56.929440Z DEBUG reacher: Found misc details [email protected] misc=MiscDetails { is_disposable: false, is_role_account: false, is_b2c: true, gravatar_url: None, haveibeenpwned: None }
2026-01-16T07:48:56.929538Z DEBUG reacher: Check SMTP email="[email protected]" attempt=1 mx_host="gmail-smtp-in.l.google.com." port=25 using_proxy=true
2026-01-16T07:51:13.355397Z DEBUG reacher: Got SMTP check result email="[email protected]" attempt=1 mx_host="gmail-smtp-in.l.google.com." port=25 result=Err(Socks5(Io(Os { code: 110, kind: TimedOut, message: "Operation timed out" })))
2026-01-16T07:51:13.355566Z DEBUG reacher: Sending error to Sentry: Smtp(Socks5(Io(Os { code: 110, kind: TimedOut, message: "Operation timed out" })))
2026-01-16T07:51:13.367103Z DEBUG reacher: Wrote to DB email="[email protected]"
2026-01-16T07:51:14.379796Z DEBUG reacher: Sent result to Reacher Commercial License Trial email="[email protected]" res="{\"ok\":true}"
2026-01-16T07:51:14.379830Z  INFO reacher: Done verification email="[email protected]" is_reachable=Unknown
2026-01-16T07:51:14.379913Z  INFO reacher: 172.22.0.1:44588 "POST /v1/check_email HTTP/1.1" 200 "-" "curl/8.5.0" 137.495157873s