Email Marketing Platforms · monthly outage report

Email Marketing Platforms outages: September 2025

The 15 email marketing platforms we track reported 16 incidents in September 2025. Klaviyo reported the most (5). 9 had a clean month: AWeber, Brevo, Drip, GetResponse, HubSpot Marketing Hub, Kit (ConvertKit), Mailchimp, MailerLite, Moosend.

VendorIncidentsPartial / majorOutage timeLongestWe detected
Klaviyo50—3d0
ActiveCampaign411h 35m1h 36m0
Omnisend429m3h 14m0
Campaign Monitor10—24m0
Constant Contact10—1h 30m0
beehiiv10—31m0
AWeber00——0
Brevo00——0
Drip00——0
GetResponse00——0
HubSpot Marketing Hub00——0
Kit (ConvertKit)00——0
Mailchimp00——0
MailerLite00——0
Moosend00——0

Longest Email Marketing Platforms outages in September 2025

Current most reliable email marketing platforms ranking →