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> hosting on any of the notable VPS providers (DO, Linode, OVH, etc) has had fine deliverability in my experience, though emails may occasionally get flagged as

> hosting on any of the notable VPS providers (DO, Linode, OVH, etc) has had fine deliverability in my experience, though emails may occasionally get flagged as spam. I can share a polar opposite experience: Yahoo and Outlook would categorically reject anything DO at the SMTP level with a 502. Luckily enough, at least they were explicit about it. But no leeway, not even accepting the envelope body. So YMMV, but it will almost certainly be poor :)

StudentStuff 7y ago
I don't run my mailserver on DO (I know a few people who do tho), but I've had few issues operating one on a no name host and another on OVH. If that was a persistent issue, it might be advisable to move to a host that isn't blacklisted.
- h1d 7y ago
  You would use SMTP delivery service instead of moving around wishing for a lucky host / IP.
fanpuns 7y ago
My mail from DO doesn't get rejected, but ends up 100% of the time in spam.
- h1d 7y ago
  Why not use SES or SendGrid, both are so cheap for small volume.
  - StudentStuff 7y ago
    Sendgrid is usually spam or redundant notifications, depending on host they might not make it through without manual whitelisting. Additionally, using a totally unrelated SMTP rela to deliver mail defeats much of the point of a self-hosted mailserver, you'd be better off using your local network's SMTP relay.
    - h1d 7y ago
      It definitely does not defeat the purpose. You control the way you authenticate users, how to run spam filtering, etc. I run my own on Linode with postfix/dovecot/rspamd linked to LDAP for auth that gets routed through SES (probably some cents per month) and it's working good. These days it's not easy to circumvent being flagged as spam running your own node, because you can look like any spammer until you prove yourself you're not one which takes time and usually not the best idea and you'd rather use an external relay who will provide you with a better reputation from day one. If you stick with your own delivery route and friends tell you, your mail isn't arriving as they get flagged as spam, that's your fault.

StudentStuff 7y ago

I don't run my mailserver on DO (I know a few people who do tho), but I've had few issues operating one on a no name host and another on OVH. If that was a persistent issue, it might be advisable to move to a host that isn't blacklisted.

h1d 7y ago
You would use SMTP delivery service instead of moving around wishing for a lucky host / IP.

fanpuns 7y ago

My mail from DO doesn't get rejected, but ends up 100% of the time in spam.

h1d 7y ago
Why not use SES or SendGrid, both are so cheap for small volume.
- StudentStuff 7y ago
  Sendgrid is usually spam or redundant notifications, depending on host they might not make it through without manual whitelisting. Additionally, using a totally unrelated SMTP rela to deliver mail defeats much of the point of a self-hosted mailserver, you'd be better off using your local network's SMTP relay.
  - h1d 7y ago
    It definitely does not defeat the purpose. You control the way you authenticate users, how to run spam filtering, etc. I run my own on Linode with postfix/dovecot/rspamd linked to LDAP for auth that gets routed through SES (probably some cents per month) and it's working good. These days it's not easy to circumvent being flagged as spam running your own node, because you can look like any spammer until you prove yourself you're not one which takes time and usually not the best idea and you'd rather use an external relay who will provide you with a better reputation from day one. If you stick with your own delivery route and friends tell you, your mail isn't arriving as they get flagged as spam, that's your fault.