I try to send an email to email@example.com, using one of my email accounts I get it bounced back instantly with an "invalid recipient" message.
The mail server is mail.bigpond.com, if I try any other of my email accounts with different isp's it works fine.
Why might this be happening?
Thanks for any help.
I have myself just tried to send an email to "firstname.lastname@example.org" and got 2 errors - the first was a graylisting command from the ATLANTIC SMTP server (the host mail server for equineexcellence.biz)
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