In the 4th step of email creation, you can review how correctly your email distribution has been prepared. Resolving Errors is obligatory and not addressing them means you simply won't be able to send an email. However, the Suggestions presented in the Review step can be freely dismissed if you choose.
Even though they are optional, we highly recommend using them before making a distribution. They help to improve email deliverability performance, open rates, and clicks, as well as create personalized content without unnecessary problems.
Continue reading here to verify what kinds of email suggestions we provide in Prowly.