mailserver-cli/lib/utils.js

import { execSync } from "child_process";
import chalk from "chalk";
import ora from "ora";

export async function checkFQDN() {
  const spinner = ora("Checking hostname FQDN compliance...").start();

  try {
    const hostname = execSync("hostname").toString().trim();
    
    if (!hostname.includes(".")) {
      spinner.warn("Hostname is not FQDN compliant. Fixing it...");
      const fqdn = `mail.${hostname}`;
      execSync(`hostnamectl set-hostname ${fqdn}`);
      spinner.succeed(`Hostname updated to ${fqdn}`);
    } else {
      spinner.succeed(`Hostname is already FQDN compliant: ${hostname}`);
    }
  } catch (error) {
    spinner.fail("Error checking FQDN: " + error.message);
  }
}