It may make sense to put bulk email on a completely separate domain anyway, so then you could do something like: example.tech exampletech.com That has

It may make sense to put bulk email on a completely separate domain anyway, so then you could do something like: example.tech exampletech.com That has it's own downsides if it confuses your users, but most email clients barely show sender addresses any more, so a lot of users may not even realize you're emailing from a different domain than you use for your website.