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Yet another DNS record required if NOT hosting a mail server: the TXT record for a properly disabled BIMI must look like this: default._bimi.example.test.
by egberts1 3y ago
Yet another DNS record required if NOT hosting a mail server: the TXT record for a properly disabled BIMI must look like this:
default._bimi.example.test. TXT "v=BIMI1; l=; a=;"
Much in the same way as SPF, Null MX, and DKIM being forced as disabled, you would not want other senders to mimic your logo (domain name) in other recipients’ mail client apps.
https://egbert.net/blog/articles/smtp-bimi-howto.html https://egbert.net/blog/articles/smtp-bimi-howto.html