To be able to efficiently send emails using Mailspot servers, you will need to set some TXT records in your DNS manager. Setting up SPF, DKIM and DMARC record will improve delivery of your emails and it is basically mandatory by today’s standards.
Your TXT records in DNS manager should be set as follow:
Your DNS settings might be at your domain register or at your hosting company. Here are detailed instructions on how to edit your DNS settings with some popular DNS managers: