Hello
my server doesn't send any email to valid yahoo mails and also it doesn't recive any email from yahoo
i check it from webmail and Outlook
when i want send email to yahoo both return this error:
Requested action not taken: mailbox unavailable
Server replied: 550
please help me

my server doesn't send any email to valid yahoo mails and also it doesn't recive any email from yahoo
i check it from webmail and Outlook
when i want send email to yahoo both return this error:
Requested action not taken: mailbox unavailable
Server replied: 550
please help me


