"Joe Doe \(from Somewhere\)" , postmaster@example.com, root mailbox : doe host : example.com personal: "Joe Doe \(from Somewhere\)" mailbox : postmaster host : example.com personal: mailbox : root host : example.com personal: Array ( [0] => stdClass Object ( [personal] => "Joe Doe \(from Somewhere\)" [comment] => Array ( ) [mailbox] => doe [host] => example.com ) [1] => stdClass Object ( [personal] => [comment] => Array ( ) [mailbox] => postmaster [host] => example.com ) [2] => stdClass Object ( [personal] => [comment] => Array ( ) [mailbox] => root [host] => example.com ) )