Increase size limit for Event Registration Email PDF attachment?

[mirrorstage]

Apologies, the current limit is 500KB--not MB--and we would like to increase the limit to 1.5MB--not GB. I have used Adobe Acrobat to reduce and optimize...

[mirrorstage]

We are a theatre company and would like to be able to attach PDFs of the program and/or lobby displays to our event registration emails, but they are...