Send message there - see error '550 5.1.1 The email account that you tried to reach does not exist (...)' The message was not delivered because the recipient's ...

Google suffered a massive hour-long outage yesterday morning. This afternoon, Gmail is seeing some widespread “Address not found” issues that prevent certain ...

In my company, a project (currently in development) is using Zend\Mail with SMTP protocol to send email When a mail is sent with multiple recipients (to, cc and bcc ...