当我尝试从本地环境发送电子邮件时,它工作得很好,但是当我尝试从谷歌云机发送邮件时,我总是收到Exception occurred while flushing email queue: Connectioncould not be established with host smtp.sendgrid.net [Connection timed out #110]
我已经在云机的防火墙规则中添加了端口2525我已经尝试了sengrid邮件端口(465,2525,587)和加密类型(tls,ssl)的所有组