Update - Office 365 servers may sometimes fail to accept attachments larger than 3 MB. As a temporary alternative, we suggest using another method of sharing files with recipients, such as OneDrive. We have communicated the issue to Microsoft and are investigating additional mitigations.
Apr 17, 2025 - 18:47 UTC
Apr 17, 2025 - 18:47 UTC
Investigating - We received reports from a small number of customers that some drafts error when sending, with the message:
"Unexpected problem sending attachment larger than 3MB to Office 365."
Apr 17, 2025 - 13:15 UTC
"Unexpected problem sending attachment larger than 3MB to Office 365."
Apr 17, 2025 - 13:15 UTC
App
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Operational
Real time events
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Operational
API and integrations
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Operational
Push notifications
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Operational
Rules and Workflows
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Operational
SMTP (non-Gmail / O365)
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Operational
Gmail
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Operational
O365
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Degraded Performance
Facebook
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Operational
Twitter
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Operational
Twilio
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Operational
Other channels
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Operational
Front chat
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Operational
Calendar
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Operational
Analytics
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Operational
Knowledge Base
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Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance