Category: Web Mail

The following error is being generated in the Coldfusion / Java logs when sending out large emails:

"Error","jrpp-125","02/26/13","06:40:35",,"com.sun.mail.smtp.SMTPSendFailedException: 552 4.3.1 Message size exceeds fixed maximum message size "
com.sun.mail.smtp.SMTPSendFailedException: 552 4.3.1 Message size exceeds fixed maximum message size

at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1668)
at com.sun.mail.smtp.SMTPTransport.finishData(SMTPTransport.java:1473)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:738)

This error is coming from the SMTP server, not Java. If you are running IIS6 SMTP service, to resolve this, carry out the following steps:

1. Open IIS6 Manager
2. Select the properties of SMTP server
3. Click the Messages tab
4. Increase the “Limit message size to (KB)” figure in the text box.
5. OK and restart the SMTP services

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