Docs: Fix link to current smtp java documentation
relates elastic/x-pack-elasticsearch#1468
Original commit: elastic/x-pack-elasticsearch@768d699f8a8066763ad965b99f1230723a34c738
@@ -77,7 +77,7 @@ can specify the following email account attributes:
`smtp.*`;;
SMTP attributes that enable fine control over the SMTP
protocol when sending messages. See
- https://javamail.java.net/nonav/docs/api/com/sun/mail/smtp/package-summary.html[com.sun.mail.smtp]
+ https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html[com.sun.mail.smtp]
for the full list of SMTP properties you can set. Note that all timeouts
(`writetimeout`, `connection_timeout` and `timeout`) default to 2 minutes.
