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Mailgun vs SendGrid

Reliability comparison based on uptime, incident history, and mean time to recovery. Updated daily.

Mailgun
SendGrid
Current Status Operational Best Degraded
Uptime (30d) 99.181% 100.000% Best
Uptime (90d) 98.188% Best 92.988%
MTTR 4.8 hrs Best 12.6 hrs
Incidents (30d) 3 Best 6
Incidents (90d) 8 Best 28
Reliability Score 69.8/100 85.5/100 Best
Mailgun Status → SendGrid Status →

Recent Incidents

SendGrid Investigating Email Sending Delays
minor · Invalid Date — Jun 14, 2026
Resolved
minor
SendGrid Email Sending Delays
minor · Invalid Date
investigating
minor
SendGrid Widespread Email deferrals
minor · Invalid Date — Jun 10, 2026
Resolved
none
SendGrid Widespread Email deferrals
minor · Invalid Date — Jun 10, 2026
Resolved
none
SendGrid Elevated Email deferrals
minor · Invalid Date — Jun 10, 2026
Resolved
none
Mailgun Delayed logs in US region
minor · Invalid Date — Jun 5, 2026
Resolved
none
Mailgun Delayed logs in US region
minor · Invalid Date — Jun 4, 2026
Resolved
minor
Mailgun Delayed sending in EU
critical · Invalid Date — May 25, 2026
Resolved
critical
SendGrid SenderAuth and Whitelabel domain errors
minor · Invalid Date — May 22, 2026
Resolved
minor
SendGrid Sender Engagement Quality (SEQ) API Endpoint Degraded
minor · Invalid Date — May 14, 2026
Resolved
minor
SendGrid SendGrid - Multiple components down for email users.
minor · Invalid Date — May 13, 2026
Resolved
none
SendGrid SendGrid - Subset to email services experiencing 5xx errors
minor · Invalid Date — May 13, 2026
Resolved
none
SendGrid Teammates invited to SendGrid are prompted to create new Unified accounts instead of joining the inviting one
minor · Invalid Date — May 12, 2026
Resolved
minor
SendGrid Teammates invited to SendGrid are prompted to create standalone Unified accounts instead of joining the inviting one
minor · Invalid Date — May 12, 2026
Resolved
minor
SendGrid Mail Delay
minor · Invalid Date — May 8, 2026
Resolved
none
SendGrid Incorrect Tax Amount in Invoices
minor · Invalid Date — May 6, 2026
Resolved
minor
Mailgun Automatic Sender Security Records Not Provisioning
minor · Invalid Date — May 7, 2026
Resolved
minor
SendGrid Delays in Legacy Marketing Campaign Reporting
minor · Invalid Date — Apr 30, 2026
Resolved
minor
SendGrid Delayed Engagement Data on Customer Records in Legacy Marketing
minor · Invalid Date — Apr 30, 2026
Resolved
minor
SendGrid Delays with Contact Engagement Tracking and Segmentation in Legacy Marketing
minor · Invalid Date — May 5, 2026
Resolved
minor

Frequently Asked Questions

Which is more reliable, Mailgun or SendGrid?
Based on our monitoring data, SendGrid is currently more reliable than Mailgun. SendGrid has a reliability score of 85.5/100 compared to Mailgun's 69.8/100. This score factors in uptime percentage, mean time to recovery, incident frequency, and consistency. Monitor both services with Happy Uptime for real-time alerts.
Which has better uptime, Mailgun or SendGrid?
Over the last 30 days, SendGrid has a higher uptime of 100.000% compared to Mailgun's 99.181%. We check both services every 5 minutes from multiple global regions.
Is Mailgun more stable than SendGrid?
Mailgun has been more stable over the past 90 days with 8 incidents compared to SendGrid's 28 incidents. Fewer incidents generally indicates a more stable service. Use Happy Uptime to track both services and get AI-powered incident analysis.

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