<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://community.appian.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>530 Authentication Required while setting up Mail Server</title><link>https://community.appian.com/discussions/f/administration/21714/530-authentication-required-while-setting-up-mail-server</link><description>Hi, 
 We recently set-up a on-premise installation Appian 21.2 which run on a Docker Container. While configuring the mail server setup we were unable to send email using the Send Email Smart Service. 
 When we looked at the 
 tomcat-stdOut.log we found</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator></channel></rss>