Mailercloud

mailercloud.com

Mailercloud declares 11 subprocessors, plus 1 of its own affiliates, in its subprocessor list, which we last checked on Nov 12, 2026 (evidence). They include OpenAI, Microsoft and Stripe. No published changes since we first read it on Nov 9, 2026. 1 tracked vendor, WebEngage, names Mailercloud as a subprocessor.

Subprocessors CSV · Atom DORA draft CSV what's this? · 

11 third parties, 1 affiliate.

NamePurposeLocationListed since
Bouncer Sp. z o.o. Email verificationPoland(EU Adequacy)
Cloudflare Inc. DNS ServicesUSA(DPF)
Deluxe Custom Apps LLC (GlockApps) Email deliverability testing and monitoringUSA(SCC)
Functional Software Inc. (Sentry.io) Error logging servicesUSA(DPF)
Gleap GmbH Customer support servicesAustria(EU Adequacy)
Interserver.net Data CentersUSA(DPF)
Microsoft Corporation Data AnalyticsUSA(DPF)
OpenAI OpCo, LLC AIAI ToolUSA(EU Adequacy)
OVH US LLC dba Data CentersUSA(DPF)
Stripe Inc Payment processingUSA(DPF)
Velia.net Data CentersGermany(EU Adequacy)
Mailercloud affiliates (1)
NamePurposeLocationListed since
Mailercloud Pvt LTD Administrative, billing, support and maintenance servicesIndia(SCC)

Subprocessor of (1)CSV · Atom

1 company

Incidents reported by Mailercloud's subprocessorsCSV · Atom

53 reported incidents in the last 30 days, by 3 of the vendors Mailercloud lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that Mailercloud was involved.

DateCompanyIncidentImpactLasted
OpenAIUnable to start new Workspace Agent runs criticalongoing
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
SentryUS issues feed throwing intermittent errors minor51 min
SentryAccount emails not being delivered major42 min
SentryEU region replay ingestion latency minor48 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
OpenAIElevated Errors On API minor42 min
OpenAIElevated ChatGPT Conversation Errors minor52 min
OpenAIElevated errors with image generation minor1 h 49 min
OpenAIElevated error rates with some U.S. business Mastercards no impact stated3 days
OpenAIChatGPT Work and Dots Errors minor13 h 6 min
OpenAIElevated error rates across paid ChatGPT plans minor1 h 54 min
SentryIngestion delays across all data minor1 h 10 min
SentryDelays in spans and transactions processing major1 h 45 min
SentrySentry.io dashboard and API is down critical1 h 32 min
OpenAIFile upload errors in ChatGPT minor4 h 52 min
SentrySentry dashboard is down critical4 h 21 min
StripeElevated Instant Payouts failures no impact stated2 h 5 min
OpenAIElevated errors with search in Dots, ChatGPT Work, and certain ChatGPT thinking experiences minor1 h 35 min
OpenAIElevated errors for GPT Image 2 API image edits minor4 h 1 min
StripeElevated Issuing errors from 17:13 - 20:41 UTC minor4 h 36 min
OpenAI6.1 Sol Degraded Model Performance minor1 h 17 min
OpenAIElevated error rates for most hosted Code Reviews and Security Reviews on private GitHub repositories no impact stated29 min
OpenAIElevated error rates for Ads POST requests minor11 min
StripeElevated Blik errors no impact stated1 h

And 28 more. All of them: CSV · Who is around them.

ChangesCSV · Atom

See the list as we read it on any date: Time machine

None since tracking began.

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