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Support Article

Getting SMTP Error 452 while sending email using NBAM

SA-17337

Summary



Unable to send email from Pega Marketing application.

Error Messages



SMTP ERROR code 452.4.4.5: Insufficient disk space error 

Steps to Reproduce



Configure default Email in NBAM and try sending an email.


Root Cause



SMTP Error 452 : The ISP server’s disk system has run out of storage space, so the action had to be cancelled. Unless you are with an ISP which is so slack that they have not implemented Disk Full Alerts, this error usually indicates that your ISP’s mail server is overloaded from too many messages.


This can happen even to the best ISPs when, for example, there have been problems and none of the ISP’s customers could send mail; as soon as the problems are fixed thousands of users and organizations are trying to send mail all at the same time, and those numbers can occasionally result in the ISP’s mail servers’ hard disks temporarily filling up, with SMTP Error 452 being the result. The next attempt to send by your server may prove successful.

Resolution



User configured another email account and it has worked this time.

Published January 31, 2016 - Updated October 8, 2020

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