Expose new smtp vars: 'name', and 'logger' (#854)

Co-authored-by: Shane Kilkelly <shane.kilkelly@overleaf.com>

docker-compose.yml

@@ -69,6 +69,8 @@ services:
             # SHARELATEX_EMAIL_SMTP_PASS:
             # SHARELATEX_EMAIL_SMTP_TLS_REJECT_UNAUTH: true
             # SHARELATEX_EMAIL_SMTP_IGNORE_TLS: false
+            # SHARELATEX_EMAIL_SMTP_NAME: '127.0.0.1'
+            # SHARELATEX_EMAIL_SMTP_LOGGER: true
             # SHARELATEX_CUSTOM_EMAIL_FOOTER: "This system is run by department x"
 
             ################

settings.coffee

@@ -285,6 +285,8 @@ if process.env["SHARELATEX_EMAIL_FROM_ADDRESS"]?
 			port: process.env["SHARELATEX_EMAIL_SMTP_PORT"],
 			secure: parse(process.env["SHARELATEX_EMAIL_SMTP_SECURE"])
 			ignoreTLS: parse(process.env["SHARELATEX_EMAIL_SMTP_IGNORE_TLS"])
+			name: process.env["SHARELATEX_EMAIL_SMTP_NAME"]
+			logger: process.env["SHARELATEX_EMAIL_SMTP_LOGGER"] == 'true'
 
 		textEncoding:  process.env["SHARELATEX_EMAIL_TEXT_ENCODING"]
 		template: