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SendFailedException: Invalid Addresses

SA-11358

Summary



You observe errors when sending email notifications to a large number of recipients at once.

Error Messages



2015-06-17 07:51:59,261 [] [TABTHREAD3] [ Ruleset:Version] (pega_integrationengine_default) ERROR Host|IP user- Unexpected exception caught while trying to send an email message.
javax.mail.SendFailedException: Invalid Addresses;
nested exception is:
com.sun.mail.smtp.SMTPAddressFailedException: 452 Too many recipients received this hour


Steps to Reproduce



Send email notification to observe the error.

Root Cause



The root cause of this problem is defect/misconfiguration in the operating environment. The receiving email server IPS is throttling the sending SMTP email server.

Resolution



This issue is resolved through the following Local-change:

​Update the sending email
server to set default number of recipients to 200 per hour
Suggest Edit

Published July 2, 2015 - Updated October 8, 2020

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