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Connecting to Outgoing server (SMTP) outbound.att.net failed

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  • Utolsó üzenet ettől: tvmacek

további lehetőségek

Thunderbird will no longer send E-Mail but still works for incoming E-Mail. It provides the following error message:

Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) outbound.att.net failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again.

The Outgoing server is configured as follows: AT&T / outbound.att.net / 465 / SSL/TLS / Normal Password / E-Mail

This configuration has not been changed in years. Everything I can find on line suggests this configuration should still work. Any suggestions you could provide would be appreciated.

Tom

Thunderbird will no longer send E-Mail but still works for incoming E-Mail. It provides the following error message: Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) outbound.att.net failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again. The Outgoing server is configured as follows: AT&T / outbound.att.net / 465 / SSL/TLS / Normal Password / E-Mail This configuration has not been changed in years. Everything I can find on line suggests this configuration should still work. Any suggestions you could provide would be appreciated. Tom

Kiválasztott megoldás

Unless there's an external app like AV or a VPN interfering, those settings should work as long as a secure mail key is used in place of the account password. Or, you could try changing the authentication method on the incoming (inbound.att.net) and outgoing to OAuth2, entering the account password, not the key, in the OAuth window when asked for access.

https://support.mozilla.org/en-US/questions/1543807#answer-1784859

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Kiválasztott megoldás

Unless there's an external app like AV or a VPN interfering, those settings should work as long as a secure mail key is used in place of the account password. Or, you could try changing the authentication method on the incoming (inbound.att.net) and outgoing to OAuth2, entering the account password, not the key, in the OAuth window when asked for access.

https://support.mozilla.org/en-US/questions/1543807#answer-1784859

további lehetőségek

Thanks. Changing the inbound authentication method from Normal Password to OAuth2 solved the problem. I did not change the outbound authentication method and it still remains as Normal Password. I find this strange and can only wonder if at sometime in the future this might create a problem. As info: I did need to re-login to my AT&T Yahoo Mail account.

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