no email to your-domain.tld

[Taz-Mania]

hello

i host 14 domains 1 of them is my your-domain.tld

my admin page is admin.your-domain.tld

i can sent email but others CANT sent mail to me at info@your-domain.tld they get
This is the mail system at host your-domain.tld.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

The mail system

i have 3 email acc on this domain all can sent but not receve

who can help and/or what must i do ???

tnx