I know this is an old thread.  I had issues finding an answer and the SAS Intelligence Platform Middle Tier Administration isn't 100% on my specific case. Below is specific to the AWS SMTP server that uses TLS.   Environment: Windows 2008 R2 SAS 9.4 M3       1) SAS Management Console: set email.host and email.port in Application Management -> Configuration Manager -> Application Infrastructure.   email.host = email-smtp.us-east-1.amazonaws.com email.port = 587     2) Put system options as below in sasv9_usermods.cfg file: Note AWS SES credentials must be obtained   -emailsys SMTP -emailport 587 -emailhost ("email-smtp.us-east-1.amazonaws.com" STARTTLS id=AWS_SES_Credential_ID pw=AWS_SES_Credential_Key auth=LOGIN port=587)     3) Added below line in server.sml file: Note the 'mail.smtp.starttls.enable="true"'   <Resource auth="Container" name="sas/mail/Session" type="javax.mail.Session" mail.smtp.starttls.enable="true" mail.smtp.auth="true" mail.smtp.host="email-smtp.us-east-1.amazonaws.com" mail.smtp.port="587" mail.smtp.user="AWS_SES_Credential_ID" password="AWS_SES_Credential_Key"/>     4) Performed full SAS services restart, mainly for peice of mind.  At minimum, the WebAppServer(s) needs to be restarted.  In my case this is only SASServer1_1.     ... View more