Is it possible that your email address in Settings, General is not correct? Or, could the email address have a domain that doesn’t match the site domain? Some mail servers don’t like to deliver mail from example.com when the sender email is [email protected] . I would set the admin’s email address to an address on … Read more
As mentioned in the ticket #16470 this confirmation feature: prevents accidental or erroneous email address changes from potentially locking users out of their account. so it’s good to keep that in mind before removing this feature. Here’s a little proof of concept for (single site) test installs. We still want to run send_confirmation_on_profile_email() because it … Read more
Add SPF record to your DNS so emails from your server IP are classified as legitimate Edit. Do the above with what you said. “Would setting up a domain specific email address and changing the site owner email to ***@thedomain.com help keep these messages from going into spam folders?” This will be fine as it … Read more
As stated in the announcement post: A few account security enhancements have gone into WordPress 4.9. The intention is to make it more difficult for an attacker to take over a user account or a site by changing the email address associated with the user or the site, and also to reduce the chance of … Read more
We at LoginRadius also provide social login, but as far as I know only Twitter does not provider email address while every other social networks do. I can’t help you much here, but Try this plugin – it opens a pop-up asking users to enter their email address if its not supplied.
Resend user activation mail
Changing the body of mail sent to new user registration
I found that I was setting the default mime type for wp_mail_content_type to be text/html which according to the notes on the codex can cause this particular issue. I’ve removed the code from my functions file, and the registration email looks better, but (and I haven’t seen WordPress’s emails in a long time) still doesn’t … Read more
I found an answer here i will give this a try.. Confirmation required on email change
As many people would agree, editing WordPress’ core is not recommended because any updates that are made from the official developer (ex: 4.6 to 4.6.1) will override your changes. Plus, editing the core could potentially break your website or any other theme/plugin if it’s not properly edited. This is where plugins come in, they are … Read more