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Welcome mail error

Discussion in '3CX Phone System - General' started by daktur, May 9, 2017.

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  1. daktur

    daktur New Member

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    Hi everyone,

    I am facing this error when testing the mail configuration for the system:

    MailKit.Net.Smtp.SmtpCommandException: 5.7.1 <pabx@virtuallyou.com.br>: Sender address rejected: UOLHOST-SMTP-SMTP-BO-706-235096 Restricted e-mail, delivery not allowed. Visit http://postmaster.uol.com.br/ for help. at MailKit.Net.Smtp.SmtpClient.ProcessRcptToResponse(MimeMessage message, MailboxAddress mailbox, SmtpResponse response) at MailKit.Net.Smtp.SmtpClient.FlushCommandQueue(MimeMessage message, MailboxAddress sender, IList`1 recipients, CancellationToken cancellationToken) at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, MailboxAddress sender, IList`1 recipients, CancellationToken cancellationToken, ITransferProgress progress) at MailKit.Net.Smtp.SmtpClient.Send(FormatOptions options, MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress) at MailKit.MailTransport.Send(MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress) at GenericUtilsNet.Mail.Send(AlternateView calendarData) Response:

    Any ideas? Should i contact mail e-mail provider?

    Thanks!
     
  2. cloudphonesystem.net

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    is your mailserver allowing your PBX's IP to send email is it on the allowed senders list?
     
  3. daktur

    daktur New Member

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