Clean install without `mail.` subdomain produces postconf error and makes incoming mail undeliverable · Issue #337 · modoboa/modoboa-installer · GitHub
![warning: do not list domain example.com in BOTH mydestination and virtual_alias_domains – El Blog de Vivancos warning: do not list domain example.com in BOTH mydestination and virtual_alias_domains – El Blog de Vivancos](https://vivancos.eu/wp-content/uploads/2022/06/e-mail-server.jpg)
warning: do not list domain example.com in BOTH mydestination and virtual_alias_domains – El Blog de Vivancos
![Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net](https://blog.matrixpost.net/wp-content/uploads/2020/03/setup_postfix006-1024x665.png)
Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net
![Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net](https://blog.matrixpost.net/wp-content/uploads/2020/03/setup_postfix010.png)
Setup Postfix Mailserver with Dovecot and MySQL on Ubuntu 18.04.4 LTS Step by Step - .matrixpost.net
Postfix: "do not list domain … in BOTH mydestination and virtual_mailbox_domains" · Issue #11 · ONLYOFFICE/Docker-MailServer · GitHub
![warning: do not list domain test.net in BOTH mydestination and virtual_alias_domain - SysCP - netcup Kundenforum warning: do not list domain test.net in BOTH mydestination and virtual_alias_domain - SysCP - netcup Kundenforum](https://forum.netcup.de/system/images/avatars/33/17-33d867a4defeef244f27deee04a9b42092e43e25.png)