It depends where you keep your users. I am using on one server sqlite for the usernames and on another mariadb and the username query is in the “<path>/dovecot/conf.d/auth-sql.conf.ext“ and the users are created using postfixadmin.
Horst
On 18 Oct 2026, at 08:09, Daniel Reinhardt via dovecot <dovecot@dovecot.org> wrote:
All, I am running Dovecot 2.4 on a single server, and I am wondering where I can set it to use the full email address as the login name. I am running Ubuntu 26.04 and its fully updated. I own the server, and the domain. Let me know what information you need to assist me. Very Respectfully, Daniel Reinhardt Sent with [1]Proton Mail secure email.
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