Litmus tests pre-send emails for deliverability. The program evaluates links, graphics, and other aspects to boost email opens and conversions.
Litmus tests spam. It examines your email infrastructure DKIM, SPF, and DMARC records, analyzes IP addresses and domain names against blacklists, scans your email across prominent spam filters, and gives advise on how to repair errors and enhance email deliverability.
Litmus provides a 7-day free trial to evaluate its features. The $79/month basic pain package.