On October 19, 2021, we have enabled single-sign-on for our Plesk Support Center to provide a seamless login/account experience. This implies that you’ll be able to use a single account across any of our web-facing properties.
If you had already registered your account at Plesk 360 (formerly known as My Plesk) please use one for login. Otherwise please re-register it using the same email address as your existing Zendesk login (support account). It’s essential that you use the same email address on our support center to ensure that your tickets stay attached to the same account.

Sending messages from webmail fails: SMTP Error (250): Authentication failed

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3 comments

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    Maghreb Services SARL

    Running

    sudo plesk sbin pci_compliance_resolver --enable all

    adds the following line to /etc/postfix/main.cf:

    tls_ssl_options = no_compression

    This is one of the options that the article says leads to a misconfiguration. Is that a bug?

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    Ivan Postnikov

    Hello Maghreb Services SARL

    The cause is this article is when these options are defined with errors.

    The options added by pci_compliance_resolver shouldn't cause issues.

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    Denis De La Paz Miranda

    Hola.

    Intente varias soluciones que encontre tanto para RoundCube y Horde, incluyendo la solucion de este post. Al no resolverlo revise la configuracion y logre solucionarlo asi:

    Ir al apartado Herramientas y configuración - Configuracion de correo a nivel de servidor y en Opciones de retransmision seleccione la opcion Autorización obligatoria y marque SMTP.

    Espero le sirva de ayuda a alguien.

    Salu2

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