Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
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Maximum File Size of 129115298 bytes?
Unknown SSL protocol error in connection to content-eu.drive.amazonaws.com:443
Timeout when uploading certain JPEG files
File Upload Fails repeatedly at some point.
Partial content update