mailcow SSL w/ Cloudflare DNS challenge
Posted: Thu May 07, 2026 4:53 pm
navigate to ~/mailcow-dockerized/
enable DNS challenge:
edit mailcow.conf and amend the following
add cloudflare credentials:
pico data/conf/acme/dns-01.conf
restart mailcow with the new changes:
navigate to ~/mailcow-dockerized/
check everything is working...
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docker compose downedit mailcow.conf and amend the following
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ACME_DNS_CHALLENGE=y
ACME_DNS_PROVIDER=dns_cf
ACME_ACCOUNT_EMAIL=zemerdon@gmail.compico data/conf/acme/dns-01.conf
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# Add here your DNS-01 challenge configuration
# Cloudflare API Token
CF_Token="token here"
CF_Account_ID="account id here"navigate to ~/mailcow-dockerized/
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docker compose up -dCode: Select all
docker compose logs -f acme-mailcow