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| | Use SPF softfail, not (hard) fail (mailhardener.com) | |
28 points by LeonM on Jan 11, 2023 | past | 31 comments
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| | Deploying Dane (TLSA) for SMTP with OpenSSL (mailhardener.com) | |
3 points by LeonM on Nov 23, 2022 | past
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| | Email Hardening Guide (mailhardener.com) | |
5 points by jayhoon on Nov 22, 2022 | past
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| | Hardening unused (sub)domains (mailhardener.com) | |
239 points by Phemist on Nov 17, 2022 | past | 28 comments
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| | Microsoft has begun sending SMTP TLS reports (mailhardener.com) | |
4 points by LeonM on Aug 31, 2020 | past
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| | Do not flatten your SPF record (mailhardener.com) | |
2 points by LeonM on Sept 13, 2019 | past
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| | Email Address Types Explained (mailhardener.com) | |
1 point by LeonM on Aug 27, 2019 | past
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| | How to Enter TXT Values in Google Cloud DNS (mailhardener.com) | |
6 points by LeonM on July 8, 2019 | past
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| | Common Made Mistakes with SPF (mailhardener.com) | |
6 points by LeonM on June 21, 2019 | past
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