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starttls error


TLS Negotiation failed the certificate doesn’t match the host – Top 3 fixes

Is your Gmail showing TLS Negotiation failed the certificate doesn’t match the host error? Let’s fix it.

In April 2020, Gmail started enforcing strict email security measures. This error usually happens due to incorrect SSL on the mail server.

At Bobcares, we frequently get requests to fix email errors as part of our Server Management Services.

Today, we’ll see how our Support Engineers figure out SSL email errors and make it work.

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Smtp: starttls failed – Here’s how to fix it

Problems with website mail module can be really critical. It can end up in the loss order mails, feedback from customers and so on.

Often, bad configuration in custom mail forms or mail module in applications like OsTicket, CiviCRM can show the error “SMTP: STARTTLS failed“.

At Bobcares, we help customers to fix these mail errors as part of our Server Support for web hosts.

Today, we’ll see the top reasons for the “SMTP: STARTTLS failed” error and how our Support Engineers fix them.

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