2018-03-02 22:26 GMT+01:00 Brian Barker <b.m.bar...@btinternet.com>: > At 13:25 02/03/2018 -0700, Thomas Morley wrote: >> >> Paolo Prete wrote >>> >>> ... >> >> >> For unknown reasons I don't see your posts on the mailing-list, ... > > > Neither do I. But I can help there: it's all down to Domain-based Message > Authentication, Reporting and Conformance (DMARC). This is a comparatively > new system whereby mail domains can publish information to confirm or > otherwise that messages are genuinely sent from a mail server maintained by > that domain. Paolo Prete's mail domain appears to be yahoo.it, and Yahoo is > one of the sending domains that uses this system. If he sent to you > directly, everything would work OK and Gmail would accept the message. > > The problem arises with mailing lists. The server forwarding the message - > in this case Lilypond's - is not a proper source for @yahoo.it messages, of > course, so Gmail quite properly rejects list messages claiming to be from > Yahoo addresses as spoofed. (As it happens, so does my mail provider.) If it > is configured properly, mailing list software can arrange headers so that > the receiving system - Gmail's in your case - sees his Yahoo server as the > originator instead of the mailing list's. The problem is that most list > software available when this protection was introduced was incapable of > being properly configured. To avoid this effect, Lilypond may need to update > the list software (apparently Mailman 2.1.21) or maybe just configure it > differently. > > See > https://en.wikipedia.org/wiki/DMARC - which includes "In April 2014, Yahoo > changed its DMARC policy to p=reject, thereby causing misbehavior in several > mailing lists." > and > https://wiki.list.org/DEV/DMARC for details of Mailman's behaviour. > > Brian Barker
Hi Brian, thanks for the info. Though, in the past, mails from Yahoo, distributed by the mailing-list, were put into my spam-folder by gmail. Obviously this changed 2 or 3 days ago. Now I receive nothing... Reading the first link you provided, the workarounds are not without problems. Thanks, Harm _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
