The answer is, rDNS, SPF, DKIM, abuse.net registry, feedback loops with major mail services - are all memes.
You can do everything right, which is an extremely manual effort once you get as far as building code that identifies the top mail services used by your mailing list and reaching out to ISPs and mail hosts individually and asking them to whitelist you.
And you'll still find deliverability extremely poor.
Even Troy Hunt went in circles trying to get HIBP emails delivered to Microsoft Office 365 users.
One of the main things is to try and make it look less like a standard bootstrap theme, and more like something that can measure with software like Mailchimp and the likes. All the way from branding to the tiniest of details.
BigMailer.io - free tier up to 5K contacts, then $1 per 1K contacts. Features: built-in multi-brand management, support for multiple opt-ins (interest lists), segmentation, signup forms, support for GA tracking, list suppression. On roadmap: AB testing, automation, support for transactional emails (so all your emails are in 1 place).
Anyone who mentions NewsHacker post after account setup will get lifetime 20% discount.
If your list is small-ish, I would suggest to go with a hosted solution like http://BigMailer.io or other similar providers depending on your feature needs.
> Track bounce rate and other standard metrics. You can also insert tracking pixels and unsubcribe links a click of a button.