Which character encoding is preferred for Mailjet? N.Makarov June 08, 2020 08:05 Updated Follow We support most charset encodings. However, using UTF-8 in your emails is recommended for better compatibility. Related articles How can I configure my SMTP parameters? Do you have a Data Protection Officer appointed for your organisation? Why are my emails being spam “preblocked” by Mailjet? How to setup DomainKeys (DKIM) and SPF in my DNS records? How to build a CSV file?