Consider processing email request asynchronously

[rcjsuen]

By having the await inside the for loop, each iteration will wait before moving forwards. Could this be rewritten so that all the calls are executed asynchronously instead?

maildove/src/maildove.ts

Lines 352 to 361 in c5a8dbb

	for (const domain in groups) {
	try {
	logger.info(`DOMN: Group: ${groups[domain]}`)
	successOutboundRecipients.push(
	await this.sendToSMTP(domain, parsedEmail.domain,
	parsedEmail.address, groups[domain], message.toString()));
	} catch (ex) {
	logger.error(`Could not send email to ${domain}: ${ex}`);
	}
	}