[ // Hostname, use ssl:// or tls:// notation if needed, for no security use imap:// (must always start with scheme). // Required. 'host' => 'imap://mail.domain.tld', // Login name, can be 'email' (full address from identity), 'mbox' (only mailbox part). // Any other value is treated as 'not specified' (default). 'user' => 'email', // Are specified settings locked in interface or not. // Default - false. 'readonly' => true, ], 'another.tld' => [ 'host' => 'tls://mail.another.tld', 'user' => 'mbox', ], ];