Works On

Viewing:

Ubuntu 24.04 LTS (Noble Numbat)

Same on:

Alpine Linux v3.21 CentOS Stream 9 Debian 10 (Buster) Debian 11 (Bullseye) Debian 12 (Bookworm) Debian 13 (Trixie) Red Hat Enterprise Linux 8 (Ootpa) Red Hat Enterprise Linux 9 (Plow) Ubuntu 18.04 LTS (Bionic Beaver) Ubuntu 20.04 LTS (Focal Fossa) Ubuntu 22.04 LTS (Jammy Jellyfish)

Other versions:

Debian 9 (Stretch)

Details

Size: 1 lines
MD5: 53ed5e35b1dac52b620e0b02c9fafcf8
SHA256: 5101cbe9330da132e0d80bfdd5e23832c5ce9f50e989c313ca090d0a1f4ae615

/etc/postfix/dynamicmaps.cf

# dict-type	so-name (pathname)	dict-function	mkmap-function

Copy & Paste

curl:

curl https://exampleconfig.com/api/v1/config/original/53ed5e35b1dac52b620e0b02c9fafcf8?hint=dynamicmaps.cf

wget:

wget -O dynamicmaps.cf https://exampleconfig.com/api/v1/config/original/53ed5e35b1dac52b620e0b02c9fafcf8?hint=dynamicmaps.cf

For AI Agents

<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/53ed5e35b1dac52b620e0b02c9fafcf8?hint=dynamicmaps.cf' /><config><app>Postfix</app><os>Ubuntu 24.04 LTS (Noble Numbat)</os><location>/etc/postfix/dynamicmaps.cf</location><lines>1</lines><md5>53ed5e35b1dac52b620e0b02c9fafcf8</md5><sha256>5101cbe9330da132e0d80bfdd5e23832c5ce9f50e989c313ca090d0a1f4ae615</sha256></config></prompt>

Paste into Claude, ChatGPT, or any AI assistant.

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/postfix/dynamicmaps.cf

FAQ

When should I use this dynamicmaps.cf?

Use it to restore a missing default, confirm what shipped, or diff against your current Postfix config.

How do I restore Postfix defaults?

Download the file, back up the current one in /etc/postfix/dynamicmaps.cf, replace it, then reload or restart Postfix.

Is dynamicmaps.cf safe for production?

It is the vendor default for Ubuntu 24.04 LTS (Noble Numbat). Treat it as a baseline and review security and performance settings before production use.

How does this differ from other OS versions?

Defaults vary by distro and version. This copy matches Ubuntu 24.04 LTS (Noble Numbat).

Can I use this for Postfix troubleshooting?

Yes. Diff it against yours to find drift, then restore only the sections you need.

Postfix /etc/postfix/dynamicmaps.cf