MailerSend vs Postmark

Side-by-side reliability comparison based on real-time monitoring data over the last 23 days.

MailerSend

MailerSend

Transactional email service for developers with email API, SMTP relay, and email verification.

Operational
vs
Postmark

Postmark

Transactional email service focused on fast, reliable delivery of application emails like password resets, receipts, and notifications.

Operational
Metric MailerSend Postmark
Current Status Operational Operational
Uptime (23-day) 85.71% 86.96%
Days with Issues 1 3
Feed Type Statuspage Sorryapp
Status Page View → View →

MailerSend vs Postmark: Reliability Comparison

Choosing between MailerSend and Postmark? Reliability matters. ServiceAlert.ai tracks both services in real time, monitoring their status pages for outages, degraded performance, and maintenance windows.

Over the last 23 days, MailerSend has maintained 85.71% uptime with 1 day of issues, while Postmark has achieved 86.96% uptime with 3 days of issues.

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