
MailerSend
7.6#3 in transactional email softwareFrom $7 a monthFree planiOSWebAPI
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MailerSend suits teams that need transactional email delivery through an API or SMTP relay. Its inbound routing and monitoring tools may also fit applications that process replies or track delivery activity.
It suits developers, small teams, Mailcow operators, self-hosters, SaaS founders, indie hackers, and agencies. It requires your own server and SMTP service.