turknode.cloud/solutions/mail
Mail server
A mail server needs a clean dedicated IP, port 25 and a matching reverse DNS record. Here is what each location offers.
Istanbul or Frankfurt
| Istanbul | Frankfurt | |
|---|---|---|
| Outgoing port 25 | Open | Blocked by default; unblock reviewed on request |
| Ports 587 / 465 | Open | Open |
| Reverse DNS (PTR) | Through a ticket | Self-service on the server page |
| Incoming mail on 25 | Open | Open |
Checklist
- Pick at least 2 GB of RAM (4 GB for Mailcow with spam filtering).
- Set the server hostname, an A record and a matching PTR record.
- Publish SPF, DKIM and DMARC records for your domain.
- Install Mailcow, Mail-in-a-Box or Postfix + Dovecot and send a test to a mail-tester service.