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Create a temporary email alias to filter incoming messages

Atualização 15/06/2026

This guide explains how to easily sort your messages using Plus Addressing (or "sub-addressing"), which means aliases for your email address that do not need to be actually created on an Infomaniak Mail Service.

 

Introduction

  • This feature is free, available for all Infomaniak email services, and allows you to have multiple versions of your existing email address (= aliases), in order to, for example, separate your personal emails from the newsletters you subscribe to.
  • These "wildcard" aliases mean that a message can be addressed to an email address containing a + (for example, abc+def@domain.xyz) and it will still arrive in the existing abc@domain.xyz inbox and can be filtered and sorted automatically based on what is after the "+" if you set this up.
  • Note that it is also possible to create real aliases without the + character...
  • Infomaniak is fully compatible with the DEA system on which the feature presented here depends; if you have any problems, please contact the organization on which it is used.

 

Using a "disposable" alias with an Infomaniak email address

The next time you sign up for a newsletter or a customer area that requires a username:

  • Simply use a variation of your email address that includes the "+" sign (e.g., anna+event@domain.xyz) instead of entering your actual email address:

So, if your usual email address is anna@domain.xyz, emails sent to anna+event@domain.xyz or anna+nospam@domain.xyz (in short, anna+"whatever you want here"@domain.xyz…) will arrive in the inbox of anna@domain.xyz.

Next, to automatically move subsequent incoming messages sent to your aliases into specific folders, refer to this other guide to create sorting filters based on the recipient of the received email.

You can also configure a software/email client so that sending emails from this type of email address works: refer to the second part of this other guide – this does not work when sending from the Infomaniak Mail web app (ksuite.infomaniak.com/mail online service).


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