roles/dspace: Update SMTP settings for Office 365

Since late 2018 emails have stopped working on CGSpace because our
SMTP settings were outdated. We need to use port 587 with STARTTLS
and authentication. We also want to be able to disable mail on dev
environments.

roles/dspace/defaults/main.yml

@@ -61,9 +61,9 @@ dspace_statistics_api_dir: /opt/ilri/dspace-statistics-api
 
 dspace_explorer_server: prod.ares.codeobia.com
 
-# default mail server (development hosts should override this to blank in host_vars)
-dspace_mail_server: smtp.serv.cgnet.com
+dspace_mail_server: smtp.office365.com
 dspace_ldap_server: ldaps://azcgneroot2.cgiarad.org:636/
+# development hosts should override this to true in host_vars
 dspace_mail_disabled: false
 
 # CMYK/RGB iccprofiles for DSpace 5.6+ PDF thumbnails

roles/dspace/templates/build.properties.j2

@@ -98,11 +98,11 @@ db.poolname = dspacepool
 mail.server = {{ dspace_mail_server }}
 
 # SMTP mail server authentication username and password (if required)
-mail.server.username = 
-mail.server.password = 
+mail.server.username = {{ dspace_support_email }}
+mail.server.password = {{ dspace_support_pass }}
 
 # SMTP mail server alternate port (defaults to 25)
-mail.server.port = 25
+mail.server.port = 587
 
 # From address for mail
 mail.from.address = {{ dspace_support_email }}