Most anti-spam systems, e.g. SpamAssassin, Spamhaus, etc., assign scores that cause email from freshly registered domains to be marked as spam, if not rejected/discarded outright.
Typically you'll wan to go through a "warm-up" of the domain and the sending IPs it uses. Regards, Mark -- _________________________________________________________________ L. Mark Stone, Founder North America's Leading Zimbra VAR/BSP/Training Partner For Companies With Mission-Critical Email Needs | From: "Scott Q. via mailop" <mailop@mailop.org> | To: "mailop" <mailop@mailop.org> | Sent: Wednesday, September 25, 2024 1:52:40 PM | Subject: [mailop] TALOS and newly created domains | Hello list, | this customer just created his domain, literally yesterday, they are legitimate | and are trying to e-mail some recipient that uses Cisco Talos protection. | The message is bounced with an error saying it's due to the poor reputation of a | domain used in the transfer but the Cisco Talos website shows reputation: | Unknown | Could it be something else blocking it ? | Thanks, | Scott | _______________________________________________ | mailop mailing list | mailop@mailop.org | https://list.mailop.org/listinfo/mailop
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