Alpine postfix + cyrus-sasl + dkim
Docker hub
Test auth
- docker-compose up
- docker-compose exec mail sh
- apk add busybox-extras
- telnet localhost 25
- EHLO mail.example.com
- AUTH PLAIN AHRlc3RfdXNlckBtYWlsLmV4YW1wbGUuY29tAHRlc3RfcGFzc3dvcmQ=
get password with base64
echo -ne '\000test_user@mail.example.com\000test_password' | openssl base64
Test send mail
Test mail with telnet
- HELO mail.example.com
- MAIL FROM: test@mail.example.com
- RCPT TO: your@mail.example.com
- data
- Subject: test message
- From:
- To:
- press enter twice
- /* Wirte something */
- .
- QUIT
Test mail with script
#!/bin/bash
DIR="$( cd "$(dirname "$0")" ; pwd -P )"
MAIL_FROM=test@mail.example.com
MAIL_TO=$1
MAIL_SUBJECT=test-subject
MAIL_BODY=test-body
MTA_HOST=localhost
MTA_USER=test_user@mail.example.com
MTA_PASSWORD=test_password
${DIR}/support/sendemail -f $MAIL_FROM -t $MAIL_TO -s $MTA_HOST -xu $MTA_USER -xp $MTA_PASSWORD -u $MAIL_SUBJECT -m $MAIL_BODY