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ubu.bank being rejected as unknown tld

ubu.bank being rejected as unknown tld

ubu.bank being rejected as unknown tld

I have senders sending from the domain ubu.bank being rejected. Sendmail log shows them being rejected for unknown top level domain. I have specifically allowed the tld in the access db. --

[root@mta1 mail]# grep bank access
bank OK

Still, it gets rejected.

[root@mta1 mail]# grep ubu.bank /var/log/maillog
Apr 18 13:01:19 mta1 milter-ahead[1733]: 13773 u3II0ogU012210: sender <matt@ubu.bank> from unknown TLD
Apr 18 13:01:19 mta1 sendmail[12210]: u3II0ogU012210: Milter: from=<matt@ubu.bank>, reject=550 5.7.1 sender blocked
Apr 18 13:01:27 mta1 sendmail[12210]: u3II0ogU012210: from=<matt@ubu.bank>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=warehouse.yhti.net []

How do I allow this top level domain?

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