Emails are not sent
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Hi there,
until a few days ago everything was working properly, then I have noticed that emails are not sent and I get this error in Plugin WP Mail SMTP by WPForms:
Versions: WordPress: 5.7.2 WordPress MS: No PHP: 7.4.22 WP Mail SMTP: 3.0.3 Params: Mailer: sendinblue Constants: No API Key: Yes Debug: Email Source: WP Mail SMTP Mailer: Sendinblue [503] Server error: <code>POST https://api.sendinblue.com/v3/smtp/email</code> resulted in a <code>503 Service Unavailable</code> response: upstream connect error or disconnect/reset before headers. reset reason: connection failure
Can someone help?
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