Build haraka container.

sudo docker build . -t haraka:latest

To update a stack

cd haraka
sudo docker stack deploy haraka -c docker-compose.yml

To restart a service

sudo docker service update haraka_haraka --force

Send Test Outbound Email

swaks --to hello@nawazdhandala.com --from hello@genosyn.com --server 192.168.1.100 --port 2525 --auth-user homelab --auth-password password

Set a domain to send email

Generate a DKIM key:

cd dkim

bash generate.sh

cd ..

public and private files should have been generated inside of dkim folder. Please also add DNS and env vars to docker-compose files. Values of that should be shown on the console.

Add an A record:

mailer.company.com <IP address or haraka server>

Set SPF record:

# Any MX or A servers can send emails. 
v=spf1 mx a -all

Example:

v=spf1 mx a ip4:37.26.74.9 include:_spf.google.com include:mail.genosyn.com ~all

Set DMARC record:

Type: TXT
Key: _dmarc   
Value: "v=DMARC1; p=reject; adkim=s; aspf=r; rua=mailto:dmarc-feedback@<DOMAIN>; ruf=mailto:dmarc-feedback@<DOMAIN>; pct=100"

Example:

_dmarc  TXT "v=DMARC1; p=reject; adkim=s; aspf=r; rua=mailto:dmarc-feedback@genosyn.com; ruf=mailto:dmarc-feedback@genosyn.com; pct=100"

Test, Test, Test.

Use https://www.mail-tester.com/ to test emails.

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