If you have people posting though mailing lists then it is likely best that you leave DMARC policy set to none or possibly quarantine. Reject is probably too severe to seriously consider for some time yet; Yahoo, AOL et al. positions on the matter notwithstanding. Be aware that Google will deliver quarantined messages to the Gmail users spam folder. User sending mail from a quarantined DMARC domain through a mailing list will likely have many of their messages disappear when sent to subscribers with Gmail accounts.
Is there any sort of work around, other than setting policy to none? -- John Allen KLaM ------------------------------------------ I just go lost in thought. It was unfamiliar territory.
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