> I suppose that I was more interested in how FIFA gets away with this
> with recipients such as gmail. The 'big' guys. Do *they* place
> exceptions in their system for FIFA, or do they not verify sender?
I suspect that FIFA is having ticket notifications fail all over the
place, because as far as I know GMail verifies sender domains and I
doubt they'd make an exception for FIFA screwing up their sending
domain. The same is true for a lot of other large mail systems that
people use.
This may be a recent misconfiguration on FIFA's part, based on peeking
at DNS. mail.tickets.fifa.com has an MX entry to a plausible Microsoft
outlook.com target name (tenant Outlook MX targets have a specific
pattern), but the target name doesn't resolve to an A record. So
possibly FIFA didn't turn this particular target domain on in their M365
tenant configuration, or allowed its activation to lapse, or
accidentally turned it off, or failed to turn it back on when they
(well, their outsourced ticket vendor, Secutix) started sending out
ticket email recently.
- cks
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