onesimus.tech — MailOps Control Portal

Domain Name to Onboard *

Enter the apex domain you own that you wish to start creating emails for.

Organization / Friendly Name

DNS Management

Cloudflare can automatically publish all 6 records if the zone is in your account.

Default Mailbox Quota (MB)

MailOps uses Microsoft Entra ID authenticated ACS (smtp.azurecomm.net:587) for outbound relay to ensure 99%+ deliverability.

🔹 Resource Group: rg-mailops-x2dolk

🔹 Email Service: ecs-mail-x2dolk

🔹 Outbound Cryptographic DKIM: CNAME Delegated

Click "Next" to register the custom domain with ACS and generate the domain ownership token.

Required DNS Records for domain.com

Type	Name	Value	Status	Action

Publish these records at your DNS registrar or provider. You can proceed now; DNS verification can also be run at any time from the dashboard.

The domain is now bound to the onesimus.tech Postfix/Dovecot droplet MTA engine:

# Virtual domain mapping
clientdomain.com OK
# Dovecot LMTP local transport
clientdomain.com lmtp:unix:private/dovecot-lmtp

Click "Next" to provision your first mailbox for this domain.

First Email Username *

@domain.com

Password (NIST SP 800-63B Compliant) *

Strength: Evaluating 0 bits

Storage Quota

domain.com