For those who need a really, really, really simple plugin to connect the WordPress site to an SMTP to have a more reliable email delivery, you can use my SMTP plugin.
Why? It is the simplest plugin you can find to connect the site to an SMTP. And when you remove it, no traces are left.
No up-sells inside, just the four/five parameters to configure the SMTP. No email content changes, near zero resources consumption. And a simple test feature reporting possible errors and solutions.
That’s all, check the SMTP by Satollo official page and install it.
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