If you are using a contact form on WordPress, to avoid sending unwanted emails, for safety reasons it is better to enable SMTP authentication. You can do this by taking the following steps:

1. Log into the Administrator WordPress interface by typing the following address for example: www.yoursite.gr/wp-admin 

2. Select Plugins from the menu on the left and click on Add New. Then, in the search bar, type easy-wp-smtp and download the plugin.

3. Once you have downloaded and activated the plugin, select Settings and Email.

4. SMTPHost: Enter the temporary hosting server address, you can find it in the web hosting activation email with the subject ‘Web hosting - Management information" (linuxzone97.grserver.gr) or the IP server address.

Type of Encryption: Select SSL/TLS

SMTPPort: Enter 465

NOTE: If it doesn’t work with port 465 and SSL/TLS, try port 587 with STARTTLS.

Smtp Authentication: Select Yes.

SMTP Username: Enter your full email address. 

SMTP Password: Enter your email password. 

NOTE: Once the process is complete you can run a test, by selecting the 3rd tab, click on Test Email to make sure that the authentication has been configured properly and fill in the following fields:

Tο: The sender’s email

Subject: A title for the email, e.g. test

Message: The content of the email, e.g. test

Finally, complete the process by clicking on Send test email.