[wp-trac] [WordPress Trac] #56115: Prevent default from email to use a subdomain when the siteurl is a subdomain

[WordPress Trac]

#56115: Prevent default from email to use a subdomain when the siteurl is a
subdomain
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 Reporter:  benoitchantre      |       Owner:  (none)
     Type:  defect (bug)       |      Status:  closed
 Priority:  normal             |   Milestone:
Component:  Mail               |     Version:  2.1
 Severity:  normal             |  Resolution:  wontfix
 Keywords:  reporter-feedback  |     Focuses:
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Changes (by desrosj):

 * keywords:   => reporter-feedback
 * milestone:  Awaiting Review =>


Comment:

 Replying to [comment:2 SirLouen]:
 > > In this case, the email will be tagged as spam because the from header
 domain doesn't the top-level domain.
 > This is not correct. Subdomains carry the same reputation as the parent
 domain.

 If DNS only authenticates example.com (SPF/DKIM) and the DMARC policy is
 published on example.com, many receivers will see `From = sub.example.com`
 while SPF/DKIM authenticate example.com (or a third-party).

 This will (usually) break DMARC alignment, which results in a misaligned
 message and is frequently quarantined or rejected according to
 Google/Microsoft guidance.

 It's not so much about the reputation of the parent domain, it's more
 about the configuration, which is out of WordPress' control.

 @benoitchantre Could you share more more about your setup and why making
 an adjustment to your email configuration is not possible to fix the
 issue? If you feel this should not yet have been closed, please feel free
 to reopen with more context.

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Ticket URL: <https://core.trac.wordpress.org/ticket/56115#comment:3>
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