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Mail server postfix docker compose

docker-compose.yml

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+services:
+mailserver:
+image: ghcr.io/docker-mailserver/docker-mailserver:latest
+container_name: mailserver
+# Provide the FQDN of your mail server here (Your DNS MX record should point to this value)
+hostname: mailer.arulbalaji.xyz
+env_file: mailserver.env
+# More information about the mail-server ports:
+# https://docker-mailserver.github.io/docker-mailserver/latest/config/security/understanding-th>
+# To avoid conflicts with yaml base-60 float, DO NOT remove the quotation marks.
+ports:
+- "25:25" # SMTP (explicit TLS => STARTTLS, Authentication is DISABLED => use port 465/58>
+- "143:143" # IMAP4 (explicit TLS => STARTTLS)
+- "465:465" # ESMTP (implicit TLS)
+- "587:587" # ESMTP (explicit TLS => STARTTLS)
+- "993:993" # IMAP4 (implicit TLS)
+volumes:
+- ./docker-data/dms/mail-data/:/var/mail/
+- ./docker-data/dms/mail-state/:/var/mail-state/
+- ./docker-data/dms/mail-logs/:/var/log/mail/
+- ./docker-data/dms/config/:/tmp/docker-mailserver/
+- /etc/localtime:/etc/localtime:ro
+restart: always
+stop_grace_period: 1m
+# Uncomment if using `ENABLE_FAIL2BAN=1`:
+# cap_add:
+# - NET_ADMIN
+healthcheck:
+test: "ss --listening --tcp | grep -P 'LISTEN.+:smtp' || exit 1"
+timeout: 3s
+retries: 0