# Chatmail relay: private invites

**URL:** <https://forum.delta.chat/t/chatmail-relay-private-invites/5063>\
**Category:** Chatmail Relays\
**Created:** [April 14, 2026, 10:24pm UTC](https://forum.delta.chat/t/chatmail-relay-private-invites/5063 "2026-04-14T22:24:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rws](https://forum.delta.chat/letter_avatar_proxy/v4/letter/r/90db22/32.png) [@rws](https://forum.delta.chat/u/rws)\
**Post date:** [April 14, 2026, 10:24pm UTC](https://forum.delta.chat/t/chatmail-relay-private-invites/5063/1 "2026-04-14T22:24:18Z")

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Hello. Quick search didn’t reveal the answer, I hope to get it here.

I would like to run a chatmail relay server for friends on a public vps. Are there ways to limit who can join without manually switching registration on/off for every incoming user? (Imagine the meme “Raise the gates, lower the gates” here).  
Something like private invitational links that I can share. And make registering from the outer wilds impossible even if the domain / ip are known 🙂

AI vaguely suggested manual mail account creation inside the server. Or accounts subdomain separation for “chosen few” thus allowing removal of unwanted accounts if such appear. But no further details on either approach.

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**Author:** ![ian](https://forum.delta.chat/user_avatar/forum.delta.chat/ian/32/3164_2.png) [@ian](https://forum.delta.chat/u/ian)\
**Post date:** [April 15, 2026, 8:06am UTC](https://forum.delta.chat/t/chatmail-relay-private-invites/5063/2 "2026-04-15T08:06:26Z")

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You could either create the accounts manually or replace the endpoint for `/new` to a long, random path, change it regularly and never share it outside your friends:

> <https://github.com/chatmail/relay/blob/main/cmdeploy/src/cmdeploy/nginx/nginx.conf.j2>

Related:

> **[Disable automatic address creation - Setting up a chatmail relay - chatmail...](https://chatmail.at/doc/relay/getting_started.html#disable-automatic-address-creation)**
>
> This section contains everything needed to setup a ready-to-use chatmail relay. The automated setup is designed and optimized for providing chatmail addresses for immediate permission-free onboarding through chat apps and bots. Chatmail addresses are...

> [@Configure email account via QR code](https://support.delta.chat/t/configure-email-account-via-qr-code/1805/16):
>
> I’m working on a DCLOGIN scheme: (qr code containing credentials directly, single use for one account unlike the burner accounts which are token based, so exactly what need here)