Am 21.06.25 um 12:30 schrieb Lena--- via mailop:
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?
no, We're using relaxed/relaxed since a very long time but also see MS' servers rejecting messages randomly Andreas _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
