Perhaps using an email server that's written in a scripting language would work? For example, https://github.com/zedshaw/lamson https://github.com/zedshaw/lamso

Perhaps using an email server that's written in a scripting language would work? For example, https://github.com/zedshaw/lamson https://github.com/zedshaw/lamson is written in python. Perhaps you could get it running on your jailbroken device if you could get python and pip installed.