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Gmail on Outlook sending multiple emails with attachment

Tags: Microsoft

An email is sent once but multiple Sent items appear at an interval of five minutes for as many as fourteen copies.

We noticed that this only happens when the email has an attachment of more than 24 MB (whether or not just one file)

In addition, Gmail should only allow a 25 MB email size (i.e. total file size of an email including body and attachment/s) but these emails go through and getting received by the recipient/s even for emails amounting to as much as 40 MB

Topic

“the attachment size limit is 34 MB”

In reply to Gmail on Outlook sending multiple emails with attachment

That appears to be the limit of attaching a local file. I don’t want to get into the arcana here but as a file is sent, it’s converted with “uuencode” and the sent size is much larger. Example prior question: https://www.quora.com/How-did-email-attachments-get-started

I don’t feel it’s necessary to discuss the file and sent size any further.

Multiple emails sent.

In reply to Gmail on Outlook sending multiple emails with attachment

https://www.google.com/search?&q=Outlook+sending+multiple+emails finds the priors. There is no exact fix but it’s not an unknown issue.

Common causes appear to be but do read some priors for more detail are:
1. The antivirus seems to cause this.
2. The setting of the timeout for sending needs to be increased.

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