# Deeper understanding of delete\_inactive\_users\_after parameter

**URL:** <https://forum.delta.chat/t/deeper-understanding-of-delete-inactive-users-after-parameter/4945>\
**Category:** Chatmail Relays\
**Tags:** chatmail\
**Created:** [March 23, 2026, 11:27am UTC](https://forum.delta.chat/t/deeper-understanding-of-delete-inactive-users-after-parameter/4945 "2026-03-23T11:27:04Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Minim](https://forum.delta.chat/letter_avatar_proxy/v4/letter/m/ccd318/32.png) [@Minim](https://forum.delta.chat/u/Minim)\
**Post date:** [March 23, 2026, 6:03pm UTC](https://forum.delta.chat/t/deeper-understanding-of-delete-inactive-users-after-parameter/4945/6 "2026-03-23T18:03:20Z")

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It is possible to create an account with a specific e-mail address just by logging into it:

> [@How to create an account without an account creation QR code](https://support.delta.chat/t/how-to-create-an-account-without-an-account-creation-qr-code/3911):
>
> You don’t actually need the Chatmail server QR code. Pretend you have an account on the Chatmail server a. Make up a 9-character random string, and call it your user name. If the server has the domain name [nine.testrun.org](http://nine.testrun.org), use [9-char random string]@nine.testrun.org as your email address. b. Make up a password. A string of 12 random characters is standard. In the DC client, pick “Create New Profile”\>“Use Other Server”\>“Classic E-Mail Login” Fill in your made-up address and password. Everyt…

However, a putative troll will not have the private keys of the former user of that account, so they can block, but not MITM or impersonate (unless talking to someone using Autocrypt’s trust-on-each-use and not DC’s out-of-band key verification).

Having multiple relays on a profile makes it hard for a troll to block you!

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_[View the full topic](https://forum.delta.chat/t/deeper-understanding-of-delete-inactive-users-after-parameter/4945)._
