>>105858464Not him, but i am running my own mailserver as well.
The most important thing is that your provider allows you to setup reverse dns.
If you can't do that, all your mails WILL land in the spam folder.
Everything else can be dealt with down the line, setting up DMARC, DKIM, SPDF is something you yourself can do.
While reverse DNS... if your datacenter or provider doesn't offer that, you are screwed.
In my case, i could only set it for IPv4 in my account of the datacenter (and i am talking about a dedicated server here, not just a VPS) and had to request it to be set for the IPv6 address from their support.
When it's about email spam... it's not that bad nowadays, i do have my addresses online in plain text and every scrapper will get them, but i still only get a small amount of spam.
I did not setup a spam filter, i instead move DMARC failures into Spam, and that catches 99%.
And you always have this uncertainty and don't know if some mailservers drop you.
Like when using TLS between mail servers. Almost nobody requires that, so if you don't have that, or your certificate is invalid, you probably wont notice. 95% of mailservers will still accept it. But those 5% who don't... at best you notice some emails getting lost, but don't know why.
