> Some other people aren't receiving your messages either. It's because > the zoho.com domain publishes a DMARC record promising that mail from > that domain will only ever come *directly* from its own servers, and > that @zoho.com users will never post to a mailing list. > > Some mail servers (including your own) look at that DMARC record and > then refuse to accept the "fake" mail from you, when the mailing list > server sends it on. > > This is (one example of) the specific error I see in my logs: > > 2018-11-18 16:55:57 +0000 1gOQMQ-0004Y2-6x ** richard...@zoho.com > R=lookuphost T=verp_smtp H=smtpin.zoho.com [204.141.42.120] > X=TLSv1.2:ECDHE-RSA-AES256-SHA:256 CV=yes: SMTP error from remote > mail server after end of data: 550 5.7.1 Email rejected per DMARC policy for > zoho.com
Yes, DMARC is a problem for mailing lists, I had a similar problem for some lists I run using Mailman: https://wiki.list.org/DEV/DMARC Cheers George _______________________________________________ get_iplayer mailing list get_iplayer@lists.infradead.org http://lists.infradead.org/mailman/listinfo/get_iplayer