What are some alternatives?
When comparing Adestra and UniSender, you can also consider the following products
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Emma - Emma is an email marketing platform that helps over 15,000 brands plan, design, and optimize targeted emails.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Mailjet - All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.
inBOX25 - inBOX25 is a real-time marketing automation platform tailored for SugarCRM.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.