Email authentication | WordPress.org

Hi Everyone,

Im getting ready for email campaigns. I have read that in order to keep your emails from going to spam (in general, not specific to wordpress), they need to be authenticated with DKIM or SPF.

I have several questions about this:
1- Is this necessary for a wordpress site?
2- My current domain email comes from the site hosting provider- bluehost. Is DKIM or SPF necessary with bluehost?
3- There are several wordpress plugins that offer SMTP service to prevent emails from going to spam. Which one should I do? DKIM/ SPF or SMTP plugin?

Thanks in advance for any help!!

 

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