Failure sending mail
Hello Everyone. I am trying to set up report subscription on SSRS. After I set up SMTP, I was able to send e-mail with SSRS subscription. ( So I though it is done.. T.T) Next day, I got below error on subscriptions page Failure sending mail: The server rejected the sender address. The server response was: 452 4.3.1 Out of memory Mail will not be resent I googled it and read artical saying out of memory is caused when your sent mail number reach its limit. If out of memory error caused by large number of e-mail, I have to think my smtp server is used by other process (I only sent less than 10 mails after I set up this SMTP sign) I don't feel safe for my SMTP since SSRS does not allow authentication. Any Idea about above issue? I disabled my smtp service now. Please advice. Thank you for your help!
October 25th, 2012 5:20pm

SMTP error 431 means that thethe recipients mail server is experiencing a Disk Full error condition, or an Out of Memory (too many file handles) error condition (Microsoft Exchange).
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October 25th, 2012 7:01pm

Hi Alex, Based on the error message, the issue may occur if the message requests in the queue exceeds the mail server's capability. Some mail servers have the option to reduce the number of concurrent connection and also the number of messages sent per connection. If you have a lot of messages queued up it could go over the max number of messages per connection. To see if this is the case you can try submitting only a few messages to that domain at a time and then keep increasing the number until you find the maximum number accepted by the server. In addition, Reporting Services maintains an event queue for all scheduled operations, besides, the MaxQueueThreads element in the RSreportserver.config file specifies the number of threads used by the Report Server Windows service for concurrent processing of subscriptions and notifications. By default, this value is set to 0, and the actual value of this element is calculated using the formula: 2 * number of logical CPUs. At this time, I suggest that you modify the MaxQueueThreads value to 1 or 2 and check the issue again. References: http://www.freewebs.com/boosp/smtperr.htmhttp://msdn.microsoft.com/en-us/library/ms157273.aspx Regards, Mike YinMike Yin TechNet Community Support
October 31st, 2012 6:42am

Hi Alex, Based on the error message, the issue may occur if the message requests in the queue exceeds the mail server's capability. Some mail servers have the option to reduce the number of concurrent connection and also the number of messages sent per connection. If you have a lot of messages queued up it could go over the max number of messages per connection. To see if this is the case you can try submitting only a few messages to that domain at a time and then keep increasing the number until you find the maximum number accepted by the server. In addition, Reporting Services maintains an event queue for all scheduled operations, besides, the MaxQueueThreads element in the RSreportserver.config file specifies the number of threads used by the Report Server Windows service for concurrent processing of subscriptions and notifications. By default, this value is set to 0, and the actual value of this element is calculated using the formula: 2 * number of logical CPUs. At this time, I suggest that you modify the MaxQueueThreads value to 1 or 2 and check the issue again. References: http://www.freewebs.com/boosp/smtperr.htmhttp://msdn.microsoft.com/en-us/library/ms157273.aspx Regards, Mike YinMike Yin TechNet Community Support
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October 31st, 2012 6:42am

Hi Alex, Based on the error message, the issue may occur if the message requests in the queue exceeds the mail server's capability. Some mail servers have the option to reduce the number of concurrent connection and also the number of messages sent per connection. If you have a lot of messages queued up it could go over the max number of messages per connection. To see if this is the case you can try submitting only a few messages to that domain at a time and then keep increasing the number until you find the maximum number accepted by the server. In addition, Reporting Services maintains an event queue for all scheduled operations, besides, the MaxQueueThreads element in the RSreportserver.config file specifies the number of threads used by the Report Server Windows service for concurrent processing of subscriptions and notifications. By default, this value is set to 0, and the actual value of this element is calculated using the formula: 2 * number of logical CPUs. At this time, I suggest that you modify the MaxQueueThreads value to 1 or 2 and check the issue again. References: http://www.freewebs.com/boosp/smtperr.htmhttp://msdn.microsoft.com/en-us/library/ms157273.aspx Regards, Mike YinMike Yin TechNet Community Support
October 31st, 2012 6:45am

Hi Alex, Based on the error message, the issue may occur if the message requests in the queue exceeds the mail server's capability. Some mail servers have the option to reduce the number of concurrent connection and also the number of messages sent per connection. If you have a lot of messages queued up it could go over the max number of messages per connection. To see if this is the case you can try submitting only a few messages to that domain at a time and then keep increasing the number until you find the maximum number accepted by the server. In addition, Reporting Services maintains an event queue for all scheduled operations, besides, the MaxQueueThreads element in the RSreportserver.config file specifies the number of threads used by the Report Server Windows service for concurrent processing of subscriptions and notifications. By default, this value is set to 0, and the actual value of this element is calculated using the formula: 2 * number of logical CPUs. At this time, I suggest that you modify the MaxQueueThreads value to 1 or 2 and check the issue again. References: http://www.freewebs.com/boosp/smtperr.htmhttp://msdn.microsoft.com/en-us/library/ms157273.aspx Regards, Mike YinMike Yin TechNet Community Support
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October 31st, 2012 6:45am

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