Good email marketing solution works with Online based and SMTP Relay that easy to sending transactional emails to clients. For quick, reliable deliver-ability, Mailjet has REST API and Send API integrity.
Very good and advanced contact list management. Easy to add/ remove the contact users. Very good subscribe and unsubscribe features.
Built-in templates for start within hours. Easy to send and track the mailings.
Supports responsive email template designs. Described documentations. User/ account verification system.
The services are for companies that's why non company URL's / Email accounts cannot use the services. That's saves trust for sending email newsletters.
Ability to add custom domains for sending and custom email address for email marketing.
Sometimes emails are received into Spam/ Junk folder after checking the spam rate/ score.
For free accounts, daily email sending limits are 200 only. That's equal 6000 email sending limits for a month.
Support tickets responding time is high. Have to wait for longer time to get reply from support desk.
For startup users who have monthly sending limits less then 6000, and daily email sending limits are 200 is Okay, you could try the Mailjet. But before you start, you should have to be own custom domain name and company information's. Mailjet staffs will verify your account to go next. Their services are good to use and have wide documentations to understand how to use. We been used their services since 2013 for several clients projects. They free and sending speed is high.
You could consider to try their service.
Sending email marketing to clients and subscribers. Sending Transactional Email as like invoice or payment reminders.
Tracking email delivery reports and click through reports. Opt-in and Opt-out the subscriber easily. Sending customized emails via SMTP or API.
Custom domain name and email address adding availability.