Unless there's a full discipline built into the system for addressing TCP errors that your "mail" thingy can rely on, you'll need to address it. And how can yo

Unless there's a full discipline built into the system for addressing TCP errors that your "mail" thingy can rely on, you'll need to address it. And how can you not know the specific exceptions you need to handle? Don't you need to test all of those? I am sure you didn't mean it to, but this reminds me of meetings where people say "oh, we don't have to worry about that. TCP is reliable." Twitch :)