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Before sending your question, make sure it is related to SimpleSAMLphp, and not your web server's configuration or any other third-party software. This mailing list cannot help with software that uses SimpleSAMLphp, only regarding SimpleSAMLphp itself.
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If you have an issue with SimpleSAMLphp that you cannot resolve and reading the documentation doesn't help, you are more than welcome to ask here for help. Subscribe to the list and send an email with your question. However, you will be expected to comply with some minimum, common sense standards in your questions. Please read this carefully: