Setting up an e-mail address in Thunderbird

This guide explains how to connect the Thunderbird email application to an email address hosted with Infomaniak.

⚠️ Infomaniak email is compatible with any application that supports, among other things, IMAP/SMTP. For additional help, contact the support of the software used or a partner — also read about the role of the host.

Prerequisites

create the address within an Infomaniak Mail Service (or with the free ik.me offer)
test the password of the email address (do not confuse it with the one used to log in to the Infomaniak interface)
check on the Mail Service that the automatic diagnostic is correct

Add the email address to the application

To configure the email application:

download the latest version of Thunderbird
open the application
check and complete missing information
click on Continue
the information found by Thunderbird about your mail provider is displayed, leave IMAP selected:
click on Finish
in some cases, a warning about a certificate may appear, just confirm the security exception if the information mentions Infomaniak:
the summary of your registration appears, click on Finish to add the address (or configure other services from there):
there you go, your email address is now configured in the application:

Settings to use

IMAP/SMTP server name mail.infomaniak.com
IMAP port 993 (SSL)
SMTP port 465 (SSL)
username full email address
password email address password
mandatory authentication (learn more)

In case of problems

Do not contact Infomaniak Support if your email address works well outside the application. The most common error concerns the use of an incorrect password. Our troubleshooting guides help you solve any problems:

follow the solutions given in this guide (click here) regarding email in general
this guide (click here) specifically concerns Thunderbird

and if your Thunderbird no longer works after changing your email password, read this guide (click here).

Link to this FAQ:

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