... 127.0.0.1], dsn=2.0.0, stat=Sent (o1GM6oJo031825 Message accepted for delivery) ... Why are messages queued and not Have a problem similar to one found on Exchange 2000 that a hot fix was issued for. Effective date: 1.7.2015. I have a special situation with mail being sent to hotmail from a dedicated server. Issue A message that youre trying to send internally or externally bounces back, and you receive the error message: "Message rejected." DSNs and NDRs in Exchange 2016. ... Email is not delivered because of a ... email server responds that it has accepted the message. Recipient addresses in single label domains not accepted. Sendmail Sends but never Delivers. ... not the paid, ... Tech news and trends delivered to your inbox every month. Hi all. Delivery not authorized, message refused. Symantec helps consumers and organizations secure and manage their information-driven world. Youre most likely using GMail for sending your message. Diggy's adventure - privacy policy PRIVACY POLICY. Messages Received But Not Delivered. ... messages are delivered to and accepted by ... Email? Introduction This document is meant to be an overview of all of the capabilities of Mailgun and how you can best leverage those capabilities. Mailgun is a ... you a success message. Email with ASP.NET Core Using Mailgun. Learn what causes email messages to go missing and not delivered. Issue A message that youre trying to send internally or externally bounces back, and you receive the error message: "Message rejected." ... and the email is not delivered. Experts Exchange > Questions > Configre SMTP to go via MailGun ? Learn how to fix WordPress not sending email ... how to How to fix WordPress not sending email issue. Why didn't my email get delivered ... As you can see there are dozens of reasons why an email message may not be delivered. Permanent failure when sending mail with mailgun. ... ("html", message) }); ... As you can see in the screenshot the email request was accepted, but not yet delivered. Mail is not rejected by hotmail, but it's never delivered, nor bounced. See GMails documentation. is a little vague since there are really hundreds of reasons why an email may not get delivered. In short, SMTP is an open and established protocol with large ecosystem, while Mailgun API is better long term performance and maintenance wise.