Using iOS Receiver v6.1 (build 48) and NetScaler 10.5 I get the same behavior.Go to the Settings App – tap ‘’Passwords & Accounts’’ – Now choose an account that bothering you – Your account will display on your Screen as IMAP – now select Account name and reach on another screen listing the “incoming mail server”, “Outgoing Mail server ”, then go to the bottom. We highly suggest you not to use a self signed certificate for any e-commerce site or any other sites which require sensitive data like bank or credit card information. SSL establish trust and ensure customers for a safe visit and transactions over the net. Unable to send email from Cox SMTP outgoing server on iphone and ipad outgoing mail not working over 2 years ago Using an iphone 6 (but replicated issue on iphone 7 and ipad) when not on Cox wifi, I am not able to send emails from the Cox email account.
