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Every day I log in the backend, I see this message.
Then I send a test email via the contact form, this is successful and the message disappears.
The next day, I log in the backend, I see this message.
Rince and repeat.
EMAIL DELIVERY ERROR: the plugin WP Mail SMTP v1.4.2 logged this error during the last time it tried to send an email:
Mailer: Other SMTP
PHPMailer was able to connect to SMTP server but failed while trying to send an email.What to do to stop the plugin from displaying this message?