版本：0.21

global:
  resolve_timeout: 5m
  smtp_auth_password: your_password
  smtp_auth_username: your_username
  smtp_from: your_username
  smtp_smarthost: smtp.example.com:25
receivers:
- name: cms
  email_configs:
  - send_resolved: true
    to: username@example.com
- name: default-server
  email_configs:
  - to: "other@example.com"
route:
  group_by:
  - job
  group_interval: 5m
  group_wait: 30s
  repeat_interval: 12h
  routes:
  - receiver: cms
    match_re:
    job: "node-exporter|outer_exporter"
  # alertmanager >= 0.22
  # - receiver: default-server
  #   matchers:
  #   - job =~ "node-exporter|outer_exporter"
templates:
- /etc/alertmanager/config/*.tmpl

在版本0.22后，使用matchers配置不同路由策略