Works On

Viewing:

Debian 12 (Bookworm)

Same on:

Other versions:

Debian 13 (Trixie) Ubuntu 24.04 LTS (Noble Numbat)

Details

Size: 9 lines
MD5: 65cdd286c2b8f51a66a40bd03da7145e
SHA256: 3e452ca6d29f7ed383ad5ff3023cf553dd4ff57802821fcde1f475e99e49e408

Copy & Paste

curl:

curl https://exampleconfig.com/api/v1/config/original/65cdd286c2b8f51a66a40bd03da7145e?hint=postfix-resolvconf.service

wget:

wget -O postfix-resolvconf.service https://exampleconfig.com/api/v1/config/original/65cdd286c2b8f51a66a40bd03da7145e?hint=postfix-resolvconf.service

For AI Agents

You are a DevOps agent. Fetch the default Postfix config for Debian 12 (Bookworm) from https://exampleconfig.com/api/v1/config/original/65cdd286c2b8f51a66a40bd03da7145e?hint=postfix-resolvconf.service. Compare with my current /etc/systemd/postfix-resolvconf.service and summarize differences and safe changes.

Copy this prompt into Claude, ChatGPT, or other AI assistants.

/etc/systemd/postfix-resolvconf.service

[Unit]
Description=Copies updated resolv.conf to postfix chroot and restarts postfix.

[Service]
Type=simple
ExecStart=/etc/resolvconf/update-libc.d/postfix

[Install]
WantedBy=multi-user.target

Install Postfix

Alpine Linux

sudo apk add postfix

Debian

sudo apt update && sudo apt install postfix

Red Hat Enterprise Linux

sudo yum install postfix

Ubuntu

sudo apt update && sudo apt install postfix

File Location

File Path

/etc/systemd/postfix-resolvconf.service

FAQ

When should I use this postfix-resolvconf.service?

Restore it. Compare it. Start clean.

How do I restore Postfix defaults?

Download, replace, restart.

Is postfix-resolvconf.service safe for production?

Yes. This is exactly what shipped. Safe starting point.

How does this differ from other OS versions?

Defaults change. This one is specific to Debian 12 (Bookworm).

Can I use this for Postfix troubleshooting?

Absolutely. Diff this against yours to spot the problem.

Postfix /etc/systemd/postfix-resolvconf.service