docker.io/tianon/exim4 container image tags & versions (2)

Overview

Full name: docker.io/tianon/exim4
Registry: docker.io
Namespace: tianon
Repository: exim4
Cached tags: 2
Last synced: 07/06/2026, 10:28 AM

Introduction

tianon exim4 SMTP 邮件传输代理镜像，适合发送系统通知、应用邮件与小型邮件中继私有化部署。

Details

tianon/exim4 运行 Debian exim4 MTA，可配置 smarthost 中继或本地投递。典型用于应用 reset 邮件、监控告警 SMTP，与 Postfix 同类。定位为邮件传输服务，需 DNS MX/SPF 与配置 volume；K8s 可 Deployment，注意 25 端口策略。

快速启动

docker run -d --name exim4 \
  -p 25:25 \
  docker.io/tianon/exim4:latest

推荐实践

docker run -d --name exim4 \
  --restart unless-stopped \
  -p 25:25 \
  -e EXIM4_SMARTHOST=smtp.relay.internal::587 \
  -v /opt/exim4/config:/etc/exim4 \
  docker.io/tianon/exim4:4.96

核心参数说明

-p 25:25 — SMTP 入站/出站端口
-e EXIM4_SMARTHOST — 上游中继服务器
-v .../config:... — exim4 路由与 ACL 配置
--restart unless-stopped — MTA 持续在线
固定 tag — exim4 版本 pin

Kubernetes

apiVersion: apps/v1
kind: Deployment
metadata:
  name: exim4
spec:
  replicas: 2
  selector:
    matchLabels:
      app: exim4
  template:
    metadata:
      labels:
        app: exim4
    spec:
      containers:
        - name: exim4
          image: docker.io/tianon/exim4:4.96
          ports:
            - containerPort: 25
          volumeMounts:
            - name: config
              mountPath: /etc/exim4
      volumes:
        - name: config
          configMap:
            name: exim4-config
---
apiVersion: v1
kind: Service
metadata:
  name: exim4
spec:
  selector:
    app: exim4
  ports:
    - port: 25
      targetPort: 25

云环境 25 端口常受限，优先 smarthost 587；ConfigMap 管理路由规则。

Latest tags (20)

View all 2 tags →

Tag	Arch	Pushed At	Size	Digest	Sync	Wish	Action
docker.io/tianon/exim4 :latest	linux/amd64	2026/06/24 17:57	53.5 MB	sha256:99d9f456aa4f…
docker.io/tianon/exim4 :test	linux/amd64	2023/03/01 06:32	2.0 MB	sha256:005c57d9917d…