E-mails not sending in WordPress 5.5 when using Localhost Router Mode
During recent testing, we noticed that e-mails are not being sent due to an invalid from address (wordpress@localhost) in WordPress 5.5.
We are looking into whether or not this is something that the Local team needs to address or if it's a WordPress bug as it used to work in WordPress 5.4.2.
As a workaround, we recommend using the Site Domains Router Mode.
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