services/nextcloud/docker-compose.smtp.yml

version: "3.8"

services:
  nextcloud-fpm:
    environment:
      &smtp-configuration
      SMTP_HOST: ${NC_mail_smtphost:?err}
      SMTP_SECURE: ${NC_mail_smtpsecure:-ssl}
      SMTP_AUTHTYPE: ${NC_mail_smtpauthtype:-LOGIN}
      SMTP_NAME: ${NC_mail_smtpname:?err}
      SMTP_PASSWORD: ${NC_mail_smtppassword:?err}
      MAIL_FROM_ADDRESS: ${NC_mail_from_address:?err}
      MAIL_DOMAIN: ${NC_mail_domain:?err}

  nextcloud-cron:
    environment:
      <<: *smtp-configuration