I've decided to set up a push-pull or isobaric box in order to reduce the size requirements. Doing so actually reduced the size by almost too much! And, in addition, I've had to go to a 2-chamber bandpass arangment since I don't know how a partially isobaric configuration would work (i.e. where only the vented chamber is isobaric) and I don't like the other options for 3-chamber isobaric (typical requires 4 drivers).
Not so long ago, I ran a wiki called SecurePHP. On that wiki, there was one particular article about email injection that received a lot of attention. Naturally, with all the attention came lots of spam. As a result, I disabled editing of the wiki and content stagnated. Still, the email injection article remained popular. About a year later, the server that hosted SecurePHP died and I never had a chance to hook it all back up. I saved the article though and I'm reposting it now. It may be a bit old (I've been away from PHP for a long time), and I didn't write all of it, so feel free to leave comments about needed updates and corrections. Though this article focuses on PHP, it provides a lot of general information regarding email injection attacks. The PHP mail() Function There are a lot of ways to send anonymous emails, some use it to mass mail, some use it to spoof identity, and some (a few) use it to send email anonymously. Usually a web mailform using the mail() funct