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MXMole Comics

Case Files

Short field notes from the weird, frustrating, and very human side of email DNS.

25 case files

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MXMole Case Files Case File #001: It Was DNS Case File #001It Was DNS MXMole Case Files Case File #002: The Missing DMARC Case File #002The Missing DMARC MXMole Case Files Case File #003: Two SPF Records Walk Into DNS Case File #003Two SPF Records Walk Into DNS MXMole Case Files Case File #004: The Phantom DKIM Selector Case File #004The Phantom DKIM Selector MXMole Case Files Case File #005: The BIMI That Never Was Case File #005The BIMI That Never Was MXMole Case Files Case File #006: Just One More Include Case File #006Just One More Include MXMole Case Files Case File #007: One Small DNS Change Case File #007One Small DNS Change MXMole Case Files Case File #008: Priority Problems Case File #008Priority Problems MXMole Case Files Case File #009: DMARC Is Watching Case File #009DMARC Is Watching MXMole Case Files Case File #010: It Worked Thirty Seconds Ago Case File #010It Worked Thirty Seconds Ago MXMole Case Files Case File #011: The Old Mail Server Never Left Case File #011The Old Mail Server Never Left MXMole Case Files Case File #012: Testing Means Testing Case File #012Testing Means Testing MXMole Case Files Case File #013: No MX, No Problem Case File #013No MX, No Problem MXMole Case Files Case File #014: The Selector Guessing Game Case File #014The Selector Guessing Game MXMole Case Files Case File #015: Works on My Domain Case File #015Works on My Domain MXMole Case Files Case File #016: The TXT Record Graveyard Case File #016The TXT Record Graveyard MXMole Case Files Case File #017: Three Companies, One Domain Case File #017Three Companies, One Domain MXMole Case Files Case File #018: Wrong Side of the Lookup Case File #018Wrong Side of the Lookup MXMole Case Files Case File #019: Rotation Is Not a Speedrun Case File #019Rotation Is Not a Speedrun MXMole Case Files Case File #020: You Asked for Reports Case File #020You Asked for Reports MXMole Case Files Case File #021: The Null MX Case File #021The Null MX MXMole Case Files Case File #022: The MX Alias Problem Case File #022The MX Alias Problem MXMole Case Files Case File #023: The Right Record, Wrong Universe Case File #023The Right Record, Wrong Universe MXMole Case Files Case File #024: All Green. Still Bouncing Case File #024All Green. Still Bouncing MXMole Case Files Case File #025: Nobody Changed Anything Case File #025Nobody Changed Anything