I’m having a strange problem with a web app. It has a method to send a customer’s inquiry via email. It all works perfectly if using a Gmail account.
Recently my client asked to change the App to use their Outlook.com account instead of the Gmail account.
I am using SMTPSecureSocket, and have got the correct Port (587), and also ConnectionType is TLSv1.
The socket connects without error, the email is sent without error, my code always checks that messages left to send = 0 and SMTPSecureSocket.LastErrorCode is 0.
Basically, to all intents, it appears a though the email has been sent.
If I log a browser into the mail account at Outlook.com, I can see no trace of any “sent” mail, and the recipient of my App’s mail never receives any message.
If I check the Outlook.com activities log, I can see my App’s login events, and they are shown as “Successful Sign-in” - date - country location of the web server ALL appear correct.
Is this an Outlook issue, or any ideas??