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community.mailsero.com βNo. You can create a free MailSero account without a credit card. Just visit the sign-up page and get started immediately.
MailSero supports Amazon SES, SendGrid, Mailgun, SparkPost, Elastic Email, and any standard SMTP server (Postfix, Exim, Sendmail, etc.). You can connect multiple sending servers to a single account.
Yes. MailSero includes double opt-in with customisable confirmation flows, one-click unsubscribe in every email, data export tools, and subscriber deletion β everything you need to stay compliant with GDPR and CAN-SPAM.
Yes. MailSero supports transactional email sending via REST API and SMTP. You can configure dedicated sending queues for transactional mail to ensure priority delivery.
Absolutely. MailSero has full multi-tenant support with isolated workspaces per client, white-label branding, and role-based access controls β everything an agency needs to manage email for multiple clients efficiently.
MailSero provides a full RESTful API for managing subscribers, campaigns, lists, and automations programmatically. Webhooks let you receive real-time event notifications. Full API documentation is available in the docs portal.