smtp

  1. The remote certificate is invalid according to the validation procedure

    I know .... again this problem is posted. As this is my first post here, may I say so far I'm very impressed with the 3CX offering, especially at the 'free' level! I installed the latest (15.5) Debian ISO version and the setup went well until the outbound email setup. If someone could give me...

  2. 3CX Office 365 SMTP Direct Send

    Hey Everyone, I'm having trouble implementing SMTP using Office365 direct send, seen here under Option2: https://support.office.com/en-us/article/How-to-set-up-a-multifunction-device-or-application-to-send-email-using-Office-365-69f58e99-c550-4274-ad18-c805d654b4c4?ui=en-US&rs=en-US&ad=US I...

  3. SMTP Error after Upgrade 15.0.62928.5

    After upgrading I receive an error when testing the email configuration " MailKit.ServiceNotAuthenticatedException: 5.7.0 Authentication required bei MailKit.Net.Smtp.SmtpClient.ProcessMailFromResponse(MimeMessage message, MailboxAddress mailbox, SmtpResponse response) bei...

  4. Solved e-mail settings - solved

    Just installed 3CX phone system v15.0.0 on Windows10. Installation went smooth. All appears to be working without a glitch. Except for my e-mail settings. I just cannot get e-mail to work. I am using a standard gmail account without 2-factor authentication. If I test with: smtp.gmail.com =>...
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