The following screen appears when run [alternatives --config mta]. There are 2 programs which provide 'mta'. Selection Command ----------------------------------------------- + 1 /usr/sbin/sendm...

I have a Windows Forms app. Now I want to use an async method. Since C# 7.1 I can use an async Main method: https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-7-1 However, now my S...

I want to attach a MTA report (not delivered bounce mail) to an email, but what is the correct MIME type? I fetch the full body of the MTA report with $body = imap_fetchbody($this->Mailbox->s...

Just wondering if there is a Python MTA. I took a look at smtpd but they all look like forwarders without any functionality.

I have a COM server (C++/STA (MFC based app)) and a COM client (C#/MTA). The COM server must live in an STA, since it's an MFC app (I have no choice in this matter). The client issues a call to the...

Although there are many questions about COM and STA/MTA (e.g. here), most of them talk about applications which have a UI. I, however, have the following setup: A console application, which is by...

This question got me thinking, and I now realize that I don't know anything about the internals of MTAs. What exactly does an MTA do? Everything after the SMTP protocol seems like dark magic...

I'm using MSTest in Visual Studio 2010 on a project that needs the apartment threading model set to MTA. I've looked online and the items I've found and tried seem to only work with Visual Studio...

If we make a thread STA like this: Thread.SetApartmentState(STA); then it cannot run code marked with [MTAThread] attribute. We have seen [STAThread] in windows and console applications but I have...