tangocash/docker-postfix-dovecut-catchall

Dockerized catchall SMTP/IMAP server

Dockerized Postfix/Dovecut server

Mail server with one catchall account

Built on Ubuntu 22.04

This docker image is based on https://github.com/tabascoterrier/docker-imap-devel

This image is even simpler than tabascoterrier docker image. Includes only Postfix (SMTP) and Dovecot (IMAP) servers with one catchall mailbox

Every email received via SMTP will be delivered locally to given mailaddress

Using your favorite email client you can connect via IMAP protocol to see emails like original recipient would received them

Build container with docker

docker build --no-cache --pull -t tangocash/docker-postfix-dovecut-catchall:latest .

Run container with docker compose

Edit docker-compose.yml for set these environment variables:

• MAIL_DOMAIN: Mail domain (by default, localdomain.test)
• MAIL_ALIAS: catchall user mailbox email address (MAIL_ALIAS@MAIL_DOMAIN)
• MAIL_PASS: catchall user mailbox password

docker-compose up

Configure your email client with these parameters and test it sending any email to any email address

Catch all mailbox

• IMAP server: imap

• IMAP encryption: SSL

• IMAP port: 993

• IMAP username: [email protected] (change [email protected] by your MAIL_ALIAS@MAIL_DOMAIN)

• IMAP password: pass (change pass by your MAIL_PASS)

• SMTP server: imap

• SMTP encryption: No

• SMTP port: 25

• SMTP authentication: none