Quote:
Originally Posted by bugmen00t
... I managed to send 7, 14, 21, 28, 35 and 42 Mb EPUB files to my Kindle via GMX Mail without problems. However when I tried to push 128 Mb monstrosity, I instantly got error message "smtplib.SMTPSenderRefused: (552, b'Requested mail action aborted: exceeded storage allocation', '********************@gmx.com')".
I'd like to run more experiments to find out the maximal limit but have concerns that in the end Amazon will ban my account for such shenanigans.
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Email services publish the max size for messages. It's trivially easy to find out this info, no need to send many emails to calculate it yourself.
GMX's limit is 50M:
https://www.gmx.com/mail/attachment/
Amazon's limit is 50M:
https://www.amazon.com/gp/help/custo...NECT4B4ZWHQ8WV
So this is why a 42M file works and 128M file doesn't.
Amazon isn't going to ban your account for sending them files (unless you're doing it in a way that seems like an attack, which this does not). Emailing of documents is a service they provide as part of the Kindle product, and you're allowed to use it. They will just reject any inbound message that's over 50M in size. But in your case, GMX will actually reject it first because their max is also 50M.