Cfmail attachment failing at 7Mb

Question

I have an app where users can upload files that get attached
to an email message. Whenever the file size exceeds 7Mb in my
testing, the mail fails, goes into the Undelivr directory and the
mail.log shows:"IOException while sending message." The
exception.log shows: "javax.mail.MessagingException: IOException
while sending message; nested exception is:
java.net.SocketException: Software caused connection abort: socket
write error"

The file was successfully uploaded and exists as specified on
the cfmailparam tag.

Any ideas?

mooresm · Accepted Answer

Thanks for pointing me in the right direction. Using SMTP inWindows 2003 Server. Property "Limit session size to (KB)" was setto 10240. After unchecking this box, all large attachments goingthrough.

tclaremont · Answer

What mail server are you using. Are you the admin on that mail server? It is possible that there is a max limit set on the mail server to prevent people from sending ridiculously large email attachments such as this.

When it says "software caused connection abort" it could be the mail server refusing the attachment.

If the user can "upload" a file, then why arent you using the CFFILE tag with the file upload processes?

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