The only way to fix this problem is to use an SMTP email server to send WordPress emails

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SMTP, or Simple Mail Transfer Protocol, is the industry standard for sending email over the Internet. SMTP servers are specially configured and use proper authentication to ensure that your outgoing emails reach users' inboxes and do not end up in the junk mail folder.

There are both paid and free SMTP servers. In fact, you can get a free SMTP account using a business email address from Google or Outlook.

However, there are limits to the number of emails you can send using traditional email services. Usually, these free email providers like Gmail or Outlook don't want you to use their SMTP servers for automated emails like those sent from a WordPress website .

That's why you need to sign up with one of the well-known SMTP service providers to ensure that your emails are delivered properly. Don't worry, many of the leading SMTP providers offer very generous free SMTP packages that are sufficient for most websites.

Let's take a look at the best SMTP service providers list of spain cell phone number that can help you reliably send emails from your website to your users.

Best SMTP Service Providers
There are many SMTP service providers that allow you to send bulk emails, WordPress emails, transactional emails, and more.

However, each of them differs in terms of features, pricing, ease of use, number of emails allowed on a free plan, email server uptime, and most importantly, their track record on email delivery rate.

Below are the best SMTP service providers that offer higher deliverability and the best features.

1st SendShift
SendLayer
SendLayer is one of the most reliable email sending platforms on the market, trusted by customers in more than 150 countries. It is our number 1 recommended SMTP sending service because it is easy to use, powerful and affordable.