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I just bought a domain to act as my cert retardation. How long dos propagation take? Also should a subdomain port.domain.net, be an A record or a different kind?

I just bought a domain to act as my cert retardation. How long dos propagation take? Also should a subdomain port.domain.net, be an A record or a different kind?

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[–] 1 pt

Holy fuck that's embarrassing for such a large company. Setting up DMARC isn't even that hard.

When I respond to people complaining about DMARC holds I always make sure to tell them it's because the sender has bad IT policies and practices.

[–] 1 pt

It is. They went so far as to HAVE the record, but nothing as to what their mailserver should do when it encounters a bad mail. Japan is really bad about this too - they're high tech, but it's like they went full stop in certain areas. We get a lot of spam from that part of the world because their mailservers are wide open.

I always check using mxtoolbox and tell complainers exactly why their mail got stopped, or why they got the spam.