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What is the attachment limit when sending in emails?

When sending in an email to one of my service desk project if I have too many attachments in my email it won't create the ticket for my Jira project. I'm assuming it is because the attachments in total are too big to go through. I could be wrong but if this is the case, is there a limit amount ( 100mb) or attachement amount (6 attachments) that would stop this from creating a ticket inside my project?  

6 answers

1 accepted

What instance is this cloud?

As for my Settings > System > Attachments we have it set to 20Mb


"...In Attachment Size, specify the maximum attachment size. The default is 10485760 bytes (10 MB). The maximum attachment sizes (2 GB).

We have the same issue. I have our limit set at 75MB. If anyone submits a ticket that has an attachment over 10MB, the email will never arrive and then a week later we realize we never received the request (when the issue was supposed to be completed). 

I created a bunch of files that contain the exact file size. 8, 9, 9.5, 9.8MB all work, as soon as I hit 10MB it doesn't work and anything above.

According to the article the attachment should be fine.

Anyone have any other ideas?


Were you able to solve this? I have the same issue

We have the same issue here :( 

0 votes
Joe Pitt Community Leader Nov 30, 2017

You need to check the email server. Many have limits on attachments and file types for both sending or receiving.  For instance ours doesn't allow larger than 10 meg, no .exe or .zip files. And it can tell if you rename a zip to something else


Thanks for the suggestion. We are using Office 365 and our mailboxes can receive attachments up to 120MB. I can see the emails arrive on our server and then see JIRA grab them and then they are literally GONE ;-) never to be seen again.

So did anyone ever get this to work with email larger than 10MB?


I'm getting the following errors:

The incoming email size (16777000 bytes) exceeds the maximum allowed message size (10485760 bytes).

Same issue here. For me the whole point of creating issues from e-mails is to save from the hassle with attachments. 

Hello, same issue here. Any update?

0 votes

I'm experiencing the same issue. 

Client sent a request via email with 53 attachments totalling 7mb. It would not create a ticket in Jira. 

I have checked the global settings and we have it set to allow up to 1,024mb.

Oddly enough, I was able to create a ticket using the portal and  uploading all 53 files there. 


Most of our client all sent their requests via email channel so we need a solution.. 

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