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From now on, I wish to be addressed as Lt. Commodore Squid (lemmy.world)
submitted 2 years ago* (last edited 2 years ago) by [M] to c/lemmyshitpost@lemmy.world
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[–] 15 points 2 years ago

It's a DNS record used for denoting which email server to use. Short for Mail eXchange.

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