[ NoAccessorMethod ]
public abstract bool smtp_auth_login { get; set; }
Represents the D-Bus property <link linkend="gdbus-property-org-gnome-OnlineAccounts-Mail.
SmtpAuthLogin">"SmtpAuthLogin"</link>.
Since the D-Bus property for this Object property is readable but not writable, it is meaningful to read from it on both the client- and service-side. It is only meaningful, however, to write to it on the service-side.