> If you want to be a good neighbour, you should have a restrictive (not > ~all) SPF
This is quite common misconception. In fact, you should not use "-all" for your mail domain if you care about deliverability. You can find this fact and many more SPF misconceptions explained here: https://hackernoon.com/myths-and-legends-of-spf-d17919a9e817 14.12.2017 17:45, Renaud Allard via mailop пишет: > If you want to be a good neighbour, you should have a restrictive (not > ~all) SPF, DMARC, DKIM and a FcRDNS coherent with your HELO. If you have > all that, you should be able to send to anyone (besides hotmail). > Obviously, you should also not be in any major blacklists. > > On 12/14/2017 03:27 PM, Ryan Prihoda wrote: >> What about SPF, DMARC, DKIM ? I am sending 250k/day and only Earthlink >> seems to care. How many checks are actually necessary ? >> >> -Ryan >> >> On 12/13/2017 03:32 PM, Vladimir Dubrovin via mailop wrote: >>> >>> Not only Earthlink cares, it's a standard procedure. >>> This validation confirms your IP really belongs to the domain. >>> This is standard validation for PTR everyone does, without this >>> validation you can set PTR to arbitrary domain (e.g. example.com). Not >>> everyone rejects messages based on this check, but it's also an >>> option, see e.g. >>> http://www.postfix.org/postconf.5.html#reject_unknown_client_hostname >>> >>> >>> 14.12.2017 0:02, Ryan Prihoda пишет: >>>> William, >>>> >>>> Yes our PTR is set correctly, but our domain does resolve to a >>>> different IP. Why does only Earthlink care about that ? Seems silly. >>>> >>>> Sincerely, >>>> >>>> *Ryan Prihod**a >>>> *Systems Administrator >>>> >>>> >>>> *dyna**Connections****Corp. >>>> *1101 S. Capital of TX Hwy. >>>> Bldg. H, Suite 130 >>>> Austin, Texas 78746 >>>> rprih...@dynaconnections.com <mailto:rprih...@dynaconnections.com> >>>> www.dynaconnections.com <http://www.dynaconnections.com/> >>>> >>>> >>>> On 12/13/2017 02:47 PM, W Kern wrote: >>>>> its misleading. >>>>> >>>>> We saw that a few weeks ago. >>>>> >>>>> Make sure the FQDN you reverse zone file provides, also resolves >>>>> back to the same IP. >>>>> >>>>> We were just as confused. The PTR was there, but because of a typo >>>>> it didn't resolve. >>>>> >>>>> Fixed that and Earthlink was happy. >>>>> >>>>> Sincerely, >>>>> >>>>> William Kern >>>>> >>>>> Pixelgate Networks. >>>>> >>>>> >>>>> On 12/13/2017 12:21 PM, Ryan Prihoda wrote: >>>>>> Hello all, >>>>>> >>>>>> We are getting errors from one of our servers. >>>>>> >>>>>> 550 ERROR: No or mismatched reverse DNS (PTR) entries >>>>>> >>>>>> When, in fact there is only one record for that IP. Can anyone from >>>>>> Earthlink look into this for us ? >>>>>> >>>>>> Sincerely, >>>>>> >>>>>> *Ryan Prihod**a >>>>>> *Systems Administrator >>>>>> >>>>>> >>>>>> *dyna**Connections****Corp. >>>>>> *1101 S. Capital of TX Hwy. >>>>>> Bldg. H, Suite 130 >>>>>> Austin, Texas 78746 >>>>>> rprih...@dynaconnections.com <mailto:rprih...@dynaconnections.com> >>>>>> www.dynaconnections.com <http://www.dynaconnections.com/> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> mailop mailing list >>>>>> mailop@mailop.org >>>>>> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >>>>> >>>>> >>>>> _______________________________________________ >>>>> mailop mailing list >>>>> mailop@mailop.org >>>>> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >>>> >>>> >>>> _______________________________________________ >>>> mailop mailing list >>>> mailop@mailop.org >>>> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >>> >>> -- >>> Vladimir Dubrovin >>> @Mail.Ru >>> >>> >>> _______________________________________________ >>> mailop mailing list >>> mailop@mailop.org >>> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> >> >> _______________________________________________ >> mailop mailing list >> mailop@mailop.org >> https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >> > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- Vladimir Dubrovin @Mail.Ru
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