ddeboer/imap 1.7.1 requires ext-imap * -> the requested PHP extension imap is missing from your syst

1，在部署laravel项目的时候，当composer install的时候，报错如下：ddeboer/imap 1.7.1 requires ext-imap * -> the requested PHP extension imap is missing from your system.

2，看这个报错代码可知需要php-imap扩展，

3，安装此扩展即可