Pira.cz Technical Forum
Utilities => Silence Detector => Topic started by: Dirceu Girardi on January 27, 2023, 06:56:47 am
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Da Essa MSG: Access denied - Invalid HELO name (See RFC2821 4.1.1.1)
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A “550 Access Denied – Invalid HELO name” SMTP error usually occurs when the SMTP Domain configured as part of an email sender's identity does not match the senders email address. In other words, the SMTP server does not accept your "From" email address.
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Obrigado! irei verificar.