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Knowledge Base

HomepageKnowledge BaseEmail503 valid RCPT command must precede...

503 valid RCPT command must precede DATA

Ao enviar mensagens usando o Oulook ou outro cliente de email está a ocorrer o erro abaixo:
503 valid RCPT command must precede DATA


Neste caso o problema está relacionado com autenticação SMTP . Efetue os passos descritos abaixo :

1) Inicie o Outlook.
2) Aceda à opção Arquivo e depois clique em Configurações de Conta.
3)Selecione a conta que apresenta o erro.
4) Clique em Mais configurações.
5) Clique em Servidor de Saída.
6) Marque a opção "Meu servidor de saída (SMTP) requer autenticação"  e marque a opção "Usar mesma configuração de e-mail na caixa de entrada".



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