Send E-Mail failed to send mailhttps://community.appian.com/discussions/f/new-to-appian/37510/send-e-mail-failed-to-send-mailHi, I have a requirement to send about 1000 mails based on number of records updated. I am trying to send using MNI. I tested for 600 records at once and most of the process breaks and got error alters. I reduced the batch size to 150 then it worksen-USTelligent Community 12RE: Send E-Mail failed to send mailhttps://community.appian.com/thread/140556?ContentTypeID=1Thu, 12 Sep 2024 12:12:39 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:6f1249c3-a41c-43af-a30e-6158d7408e0cKumar Agniwesh<p>two things which I can suggest&nbsp;</p> <p>1) Check in stdout logs if there is any more info to help us understand the problem</p> <p>2) Instead of using &quot;<span>Run all instances at the same time&quot; use&nbsp;</span><span>&quot;Run instances one at a time&quot;. This way we can avoid the connection to SMTP server getting exhausted. Or instead of MNI, create your own loop.</span></p> <p><span></span></p><div style="clear:both;"></div>RE: Send E-Mail failed to send mailhttps://community.appian.com/thread/140555?ContentTypeID=1Thu, 12 Sep 2024 11:42:26 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:0b797038-9816-4187-a91d-7b2fd6abf483vikashk7323<p><span>The error is&nbsp;</span><span>Failed to send email. This is the only error</span></p><div style="clear:both;"></div>RE: Send E-Mail failed to send mailhttps://community.appian.com/thread/140550?ContentTypeID=1Thu, 12 Sep 2024 10:41:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:54bde69f-d72e-442a-a150-3fc91cf700e6Kumar Agniwesh<p>Can you share the error message?</p><div style="clear:both;"></div>