https://community.appian.com/discussions/f/plug-ins/19237/custom-smart-service-javax-mail-email-readerI am trying to create a custom smart service to read emails and its attachments from POP3 server. As part of that, I am using mailapi.jar and pop3.jar. When the smart service gets invoked in a Process model, I am getting the below error. The same codeen-USTelligent Community 12https://community.appian.com/thread/75392?ContentTypeID=1Wed, 15 Jul 2020 18:31:17 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:aa8330e4-3d33-498a-aa17-daa8b58b077bKarthik<p>I will try with POP3.&nbsp;</p> <p>Are you talking abt&nbsp;<a href="/b/appmarket/posts/mail-poller">https://community.appian.com/b/appmarket/posts/mail-poller</a>? If so, we dont want to store the email content and details in DB, we just want it for processing purposes. Can we use that poller without the mysql DB as well?&nbsp;</p><div style="clear:both;"></div>https://community.appian.com/thread/75391?ContentTypeID=1Wed, 15 Jul 2020 18:25:55 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:93166159-f20e-4675-8dc5-345c80cb7a14Mike Cichy<p>To answer about this specific issue, I believe &quot;pop3&quot; needs to be &quot;POP3&quot;.</p> <p>That said, the email poller plugin reads either through IMAP or POP3, so why build a new smart service?</p><div style="clear:both;"></div>https://community.appian.com/thread/75345?ContentTypeID=1Sun, 12 Jul 2020 08:38:07 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:986c9977-ecd7-4bb4-8073-1dddd22ee99aKarthik<p><a href="/members/mike.cichy">Mike Cichy</a>, please help.&nbsp;</p><div style="clear:both;"></div>