Im still seeing this problem, on build Version :Community - v5.0.0 (r75701)
Invite emails are going out fine, seems to be on workflows with my testing so far.
2014-07-13 04:50:40,388 ERROR [action.executer.MailActionExecuter] [mailAsyncAction1] Failed to send email to [test_user]
org.springframework.mail.MailSendException: Mail server connection failed; nested exception is javax.mail.MessagingException: Exception reading response;
nested exception is:
java.net.SocketTimeoutException: Read timed out. Failed messages: javax.mail.MessagingException: Exception reading response;
nested exception is:
java.net.SocketTimeoutException: Read timed out; message exception details (1) are:
Failed message 1:
javax.mail.MessagingException: Exception reading response;
nested exception is:
java.net.SocketTimeoutException: Read timed out