You need to be different in a way that's meaningful to the customer. "Most environmentally sensitive email marketing software" is likely not gonna land, even though you'd be the only one doing that.
If you address my pain, solve for my particular use case that nobody else is addressing, I might choose you. But if you're just like Mailchimp (that Im familiar with), I'll go with Mailchimp.
If you address my pain, solve for my particular use case that nobody else is addressing, I might choose you. But if you're just like Mailchimp (that Im familiar with), I'll go with Mailchimp.