OpenCart邮箱配置 Error: MAIL FROM not accepted from server!

Fatal error: Uncaught Exception: Error: MAIL FROM not accepted from server! in /www/wwwroot/www.elegantposture.com/system/library/mail/smtp.php:242 Stack trace: #0 /www/wwwroot/www.elegantposture.com/system/library/mail.php(142): MailSmtp->send() #1 /www/wwwroot/www.elegantposture.com/admin/controller/mail/forgotten.php(24): Mail->send() #2 /www/wwwroot/www.elegantposture.com/system/storage/modification/system/engine/action.php(79): ControllerMailForgotten->index('user/user/editC...', Array, NULL) #3 /www/wwwroot/www.elegantposture.com/system/storage/modification/system/engine/event.php(67): Action->execute(Object(Registry), Array) #4 /www/wwwroot/www.elegantposture.com/system/storage/modification/system/engine/loader.php(263): Event->trigger('model/user/user...', Array) #5 /www/wwwroot/www.elegantposture.com/system/engine/proxy.php(47): Loader->{closure}(Array, Array) #6 /www/wwwroot/www.elegantposture.com/admin/controller/common/forgotten.php(21): Proxy->__call('editCode', Array) #7 /www/wwwroot/www.elegantposture.com/ in /www/wwwroot/www.elegantposture.com/system/library/mail/smtp.php on line 242 OpenCart邮箱配置 Error: MAIL FROM not accepted