Can SMTPUTF8 be turned off? It OFTEN breaks email-forwarding.


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    Hi Rober,

    the with EPOS added support of the SMTPUTF8 extension can be disabled.

    IceWarp understand that not everybody is compatible with the mentioned extension, which is why they have added the possibility of disabling the extension.


    To disable SMTPUTF8, please add value “!SMTPUTF8” to API c_mail_smtp_other_extensions.

    Be aware that you need to open API on Server level, not on Domain or User to be able to adjust this. See the attached screenshot below:

    BR David

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