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 >
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