Sodexo
Yes, both MailTag and Doppler Relay offer a Free Trial.
MailTag is designed for 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 MailTag are unavailable.
Some top alternatives to MailTag 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.