44 lines
1.6 KiB
Markdown
44 lines
1.6 KiB
Markdown
# Authenticate without domain part in email address
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With default settings, client must use full email address as username for
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POP3/IMAP/SMTP/webmail login, if you want to login without domain name part in
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email address, please follow below steps.
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### Dovecot
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Open Dovecot config file `/etc/dovecot/dovecot.conf` (Linux/OpenBSD) or
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`/usr/local/etc/dovecot/dovecot.conf` (FreeBSD), find parameter
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`auth_default_realm`, set the domain name you want to allow user to login
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without domain name part in email address. For example:
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```
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auth_default_realm = mydomain.com
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```
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Restarting Dovecot is required. After restarted Dovecot, user logins as
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`john.smith` will be rewritten to `john.smith@mydomain.com` by Dovecot.
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This works for POP3/IMAP/SMTP services.
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### [OPTIONAL] Roundcube Webmail
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Open Roundcube webmail
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[config file `config/main.inc.php`](./file.locations.html#roundcube-webmail),
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find parameter `$config['username_domain']`, list your domain name
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in this parameter. For example:
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```
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// Automatically add this domain to user names for login
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// Only for IMAP servers that require full e-mail addresses for login
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// Specify an array with 'host' => 'domain' values to support multiple hosts
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// Supported replacement variables:
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// %h - user's IMAP hostname
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// %n - hostname ($_SERVER['SERVER_NAME'])
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// %t - hostname without the first part
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// %d - domain (http hostname $_SERVER['HTTP_HOST'] without the first part)
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// %z - IMAP domain (IMAP hostname without the first part)
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// For example %n = mail.domain.tld, %t = domain.tld
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$config['username_domain'] = 'mydomain.com';
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```
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Restarting web server (Apache or php-fpm) is recommended.
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