···199199 <link linkend="opt-services.xserver.displayManager.sx.enable">services.xserver.displayManager.sx</link>
200200 </para>
201201 </listitem>
202202+ <listitem>
203203+ <para>
204204+ <link xlink:href="https://postfixadmin.sourceforge.io/">postfixadmin</link>,
205205+ a web based virtual user administration interface for Postfix
206206+ mail servers. Available as
207207+ <link linkend="opt-services.postfixadmin.enable">postfixadmin</link>.
208208+ </para>
209209+ </listitem>
202210 </itemizedlist>
203211 </section>
204212 <section xml:id="sec-release-21.11-incompatibilities">
+2
nixos/doc/manual/release-notes/rl-2111.section.md
···60606161- [sx](https://github.com/earnestly/sx), a simple alternative to both xinit and startx for starting a Xorg server. Available as [services.xserver.displayManager.sx](#opt-services.xserver.displayManager.sx.enable)
62626363+- [postfixadmin](https://postfixadmin.sourceforge.io/), a web based virtual user administration interface for Postfix mail servers. Available as [postfixadmin](#opt-services.postfixadmin.enable).
6464+6365## Backward Incompatibilities {#sec-release-21.11-incompatibilities}
64666567- The `paperless` module and package have been removed. All users should migrate to the