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Home » Kerio User Forums » Kerio Connect » Cannot send email to addess (Client host rejected: We don't accept Direct Delivery)

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We are getting non delivery reports trying to send email to addresses. The NDRs have the number 554 5.7.1 and state "Client host rejected: We don't accept Direct Delivery". How can we fix this?

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If your mail server has a static IP address with forwards and backwards resolution, no history of spamming and otherwise a clean rap sheet, it's probably just an overeager mail admin at the receiving end. Send a mail to the postmaster at the receiving domain via a Gmail account (or something) and explain the situation. They may mistake your IP range for dynamic space (read: you are collateral damage in their spam filter).
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