Hi Mark, > We're seeing instances of emails being rejected by Microsoft with DKIM > errors, and I have no idea why. It's happening to maybe 1% of the email we > send to Microsoft properties (outlook.com, hotmail.com, live.com, etc).
> For a given list message, if it > fails for one Microsoft recipient, it fails for all of them. May be it's not Microsoft's DNS resolver overload/timeout, but a Microsoft's bug triggered by for example unusual or corner-case line length? The signatures contain c=relaxed/simple May be relaxed/relaxed would help to avoid triggering the Microsoft's bug? _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
