ASP.NET C# project to send e-mail via Office 365 starts firing net_io_connectionclosed

System.IO.IOException: Unable to read data from the transport connection: net_io_connectionclosed. at System.Net.Mail.SmtpReplyReaderFactory.ProcessRead(Byte[] buffer, Int32 offset, Int32 read, Boolean readLine) at System.Net.Mail.SmtpReplyReaderFactory.ReadLines(SmtpReplyReader caller, Boolean oneLine) at System.Net.Mail.SmtpReplyReaderFactory.ReadLine(SmtpReplyReader caller) […]

How to generate ADFS / 365 Claim Rules

Previously, we used a development instance of Azure AD Connect with a development Azure AD tenant to investigate the rules. However, Microsoft has created new functionality in […]