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MTA,SPF,DKIM, PTR, WTF: a quick checklist on how to send e-mail from your domain
- based2 9y agohttps://lobste.rs/s/0gf6oh/mta_spf_dkim_ptr_wtf_quick_checklist_on_how https://lobste.rs/s/0gf6oh/mta_spf_dkim_ptr_wtf_quick_checkl...
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