Alert Email "Message size exceeds fixed maximum message size". How to limit the size of results before sending?

[tlow]

Hello, some of the alerts are getting this "ERROR:root:(552, '5.3.4 Message size exceeds fixed maximum message size'"
and unable to sent out email.

is there a option to limit the error count or limit the size of the result before email.

[anupjishnu]

Only the email admin can set/raise message size. Find out what is the maximum message size and if it can be increased for Splunk alerts.