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Any emails sent/received with more than 5 MB attachment bounces back.
Problem reported by jit - 11/24/2020 at 4:00 AM
Submitted
Hello All,

My emails on Smarter emails are running fine.  The problem we are facing is that we are unable to send emails with more than 5MB worth of attachments.  Any emails sent/received with more than 5 MB attachment bounces back.

Any help will be appreciated.Untitled.png

4 Replies

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Heimir Eidskrem Replied
The error is from the remote server not from yours.

What are your server settings and the domain settings?


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David Fisher Replied
The error indicates the email was over 10MB in size :

552 Message size exceeds maximum allowed size of 10485760

So if the email is truly 5MB, there is something up with the receiving email server.

*NOTE* with encoding, a 10MB file attachment is roughly over 10MB by the time it is sent.

-dave
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Robert Emmett Replied
Employee Post
As David pointed out, depending on how the attachment is encoded in the email, it will drastically increase the size of the email.  Commonly base64 is used for transfer-encoding attachments which adds on average 33% to the size.
Robert Emmett
Software Developer
SmarterTools Inc.
(877) 357-6278
www.smartertools.com
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jit Replied
Thank you for your support.  These are the Smarter Mail settings.Smarter Mail settings.png

Also, just wanted to point here, that I sent an email with 7 MB attachment to Gmail from my smarter email.  It went through, however; when I send email from Gmail back to my smarter email, it bounces back.  So all in all, there is some setting that is missing here.  Will appreciate help on this.

Thanks again.

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