README

Roundcube plugin for catch-all mailboxes — inboxes that receive mail at many different local-parts on a domain (e.g. anything@example.com).

What it does

Identity auto-create on reply — when you reply to a message that was delivered to foo@example.com, the plugin creates a matching Roundcube identity (if missing) and preselects it as the From: header so your reply goes out as foo@, not the base mailbox address.
Catch-all SMTP password — when a domain-wide catch-all password is configured, the plugin authenticates SMTP as the identity's email address so ForwardEmail (and similar providers) accept the send.
Optional Forward Email API integration — when an API key is set, the plugin additionally provisions per-alias SMTP credentials via the Forward Email API so each reply authenticates as its own alias.

For persistent login / autologin, see the companion plugin teh-hippo/roundcube-remember-me.

Installation

Via Composer (once published)

composer require teh-hippo/roundcube-catchall

Then add roundcube_catchall to the plugins array in your Roundcube config.

Manual

cd /path/to/roundcube/plugins
git clone https://github.com/teh-hippo/roundcube-catchall.git roundcube_catchall

Add roundcube_catchall to $config['plugins'] in config/config.inc.php.

Configuration

Catch-all password (recommended)

The simplest setup: generate a domain catch-all password from your mail provider's settings (e.g. Forward Email advanced settings), then enter it in Settings > Catch-all in the Roundcube UI, or set it in config:

$config['catchall_domain'] = 'example.com';
$config['catchall_identity_autocreate'] = true;
$config['catchall_fe_catchall_password_plain'] = '…';

Per-alias API provisioning (alternative)

For fine-grained control, use a Forward Email API key to auto-create per-alias SMTP passwords:

$config['catchall_domain'] = 'example.com';
$config['catchall_fe_api_key_plain'] = '…';
$config['catchall_fe_auto_delete']   = false;

Users can also set per-user credentials under Settings > Catch-all in the Roundcube UI.

Requirements

Roundcube 1.6+
PHP 8.0+ with curl extension (Forward Email API features only)

License

MIT

teh-hippo / roundcube-catchall

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