Mailbox unavailable. The server response was: Authentication is required for relay

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Total Posts: 22
Karma: 110
Joined: 6/29/2017
Location: United States

Posted: 6 years ago

we use 3.9 no source nopcommerce, emails are sending fine from to same domain, but it i snot sending to different domains or email addresses

saying

Mailbox unavailable. The server response was: Authentication is required for relay

please help

MVP

Bronze Solution Partner

Total Posts: 2898
Karma: 23165
Joined: 1/8/2010
Location: United States

Posted: 6 years ago

Please see:

https://www.nopcommerce.com/boards/t/21392/mailbox-unavailable-the-server-response-was-authentication-is-required-for-relay.aspx

https://www.nopcommerce.com/boards/t/46032/sending-email-not-working-for-different-domains.aspx

This topic was automatically closed 365 days after the last reply. New replies are no longer allowed.

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