Comment on I'm locked out of my 6 year old Chipotle account because they now say my email address is invalid when I login. Here is me asking for their help:

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Crass_Spektakel@lemmy.world ⁨10⁩ ⁨months⁩ ago

I’m assuming by “dot” you meant @

In fact both are optional. With FQDN-Adressing a user without domain defaults to localhost, with Bang-Adressing there is no @ because the last system is left for interpretation of the last receiver and if he consideres it a user, so be it.

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