Delayed Delivery of Email Marketing Campaigns to Microsoft Mailboxes
Timeline · 2 updates
- investigating May 22, 2025, 01:31 PM UTC
Our email delivery service is currently experiencing delays in sending marketing messages to Microsoft domains (Hotmail, Outlook, Live) due to rate limiting, causing campaign emails to reach end recipients later than expected.
- resolved May 23, 2025, 03:07 PM UTC
Deliveries of marketing campaigns to Microsoft via SMTP have been normalized. Please note that sending large campaigns after a period of inactivity may cause temporary delivery issues. We are monitoring the situation to ensure stability and improve send performance.