Mar 03 17:15:55 xxxxx postfix/postscreen[20214]: PREGREET 26 after 0.04 from [xxx.xxx.xxx.xxx]:60268: EHLO MGTEXC12.xxxx.com\r\n
Mar 03 17:15:55 xxxxx postfix/postscreen[20214]: NOQUEUE: reject: RCPT from [xxx.xxx.xxx.xxx]:60268: 550 5.5.1 Protocol error
What is the reason
I have been getting...