Release!

Stumpy is ready for use, for anyone who wants to use it. If you’re working on an application that sends email and you’d like to test that feature, you may find this useful. In other news, searching for “pop3 client library” leads me to believe that every developer for macOS thinks that Apple Mail isContinue reading “Release!”

Stumpy Progress

With a bit of persistence and lots of print statements, I’ve debugged my port of the core dumbster features over to Swift. Stumpy now works as a native replacement for dumbster. It turned out there was a capitalization mismatch (my code was looking for ‘Message-ID’ while Mail was writing ‘Message-Id’) and a counting error (headersContinue reading “Stumpy Progress”

Stumpy: History and Problem Statement

When we were first writing the software for LinkedIn, Jean-Luc put together a python script that would act like a dummy MTA and mail store. The point was that the application was going to be sending out emails of various kinds, notably invitations to connect, and we needed to be able to write tests thatContinue reading “Stumpy: History and Problem Statement”

Here’s A Useful Testing Application

So, a few years back, I consulted at NASA doing some work on a really cool system for storing and retrieving documentation on systems in flight. Basically, it was a very customized Bugzilla that winds up saving the American taxpayer millions of dollars every year. There’s a post I wrote at the time about how toContinue reading “Here’s A Useful Testing Application”

More MIME Tricks

Several days and a lot of testing later, I think I have the answer: don’t try to build a play-by-email service in Google AppEngine. The limitations imposed by the environment make it a bad place to do a lot of email traffic that requires anything other than text/plain or text/html. Because Google has defined javax.mail.TransportContinue reading “More MIME Tricks”