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    Support for Internationalized Domain Names in e-mail...
    Idea posted December 20, 2017 by Jacek SzymanskiRegular, tagged Other 
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    Title:
    Support for Internationalized Domain Names in e-mail addresses
    User Story / Description:

    As responsible for system communication with our customers I need the feature of processing e-mails from domains including non-ASCII characters (e.g. example@grüneideen.de) so I can support customers using such domains.

    Non-ASCII characters in domain names have been allowed through the Internationalized Domain Name (IDN, https://en.wikipedia.org/wiki/Internationalized_domain_name) standard already since 2009 and the usage of such domains gradually increases. Today, RightNow's Techmail utility does not support e-mail addresses following the IDN standard which means that e-mails coming from such addresses are rejected. This in turn means that we are not able to serve all our customers.

    Non-ASCII characters are used in domain names e.g. in German-speaking countries (e.g. "ü"), Slavic-language-speaking countries (e.g. Polish "ł") but also in non-Latin-alphabet languages.

    Since the IDN standard is backwards-compatible I think it should be relatively easy to implement this functionality. There are even ready-to-use conversion examples (e.g. https://msdn.microsoft.com/en-us/library/windows/desktop/dd319089(v=vs.85).aspx).