我一直在使用php邮件功能在客户注册时向他们发送包含帐户详细信息的电子邮件，但我只是刚刚发现有些人收不到电子邮件。例如。当我向我的每个同事发送电子邮件时，当测试时只有我和另一个同事正在接收电子邮件时-mewhoreceivedemail-pam@companyx.co.uk-colleguewhoreceivedemail-bill@companyx.co.uk-colleguewhodidnotreceiveemails:-email1-ted@companyx.co.uk,-email2-ted@companyy.co.uk-colleguewhodidnotreceiveemai
