Sodexo
Yes, both SendGrid and Doppler Relay offer a Free Trial.
SendGrid is designed for Large Enterprises, Medium Business and Small Business.
Doppler Relay is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Doppler Relay begins at $26.50/Month, while pricing details for SendGrid are unavailable.
Some top alternatives to SendGrid includes SMTP, Campaigner and Moosend.
Some top alternatives to Doppler Relay includes SMTP, Campaigner, Moosend, Aritic Mail, JangoSMTP, MailerSend, Flowmailer, Mailrelay, MyBizMailer, Mailchimp Transactional Email, UniOne and Takeout.