Meh, really depends on how many mails you send every day. In general, you should have proper SPF, DKIM and DMARC entries in your DNS config, DMARC especially wi

Meh, really depends on how many mails you send every day. In general, you should have proper SPF, DKIM and DMARC entries in your DNS config, DMARC especially will make it easy to learn if anyone classifies your mails as SPAM. Of course the transactional mailing providers want to scare you into thinking it's not possible to just deliver mail yourself. That might be true if you operate at a large scale, but for most B2B SaaS apps it's completely fine to send the mails yourself.