internal/E-Mail-Providers.md
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# Echo test services
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* If you have an E-Mail service and would like to test it's functionality, send an email to [zane_reick@dmail.dn42](mailto:zane_reik@dmail.dn42). You will get a response usually within a few hours.
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- * [Deliverance](https://deliverance.dn42/) provides automated deliverability analysis. It checks your DNS records, inspects email headers and runs your email through spam detection suites. This provides an overall deliverability score for your email service.
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+ * [Deliverance](https://deliverance.dn42/) provides automated deliverability analysis. It checks your DNS records, inspects email headers and runs your email through spam detection suites. This provides an overall deliverability score for your email service.
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+ * <echo@maiyun.dn42> automatically replies emails with the incoming full source. It is based on [this](https://github.com/myzhang1029/codes/blob/main/shell/postfix-echo) but is restricted to dn42 addresses.
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