Re: Multiple A and PTR and the "main" ones?

On 12/09/2015 00:54, David Ford wrote: We are also one of those services that will reject mail if DNS records don't line up sufficiently to a) satisfy RFC requirements for DNS and b) are clearly mismatched with your DNS A/MX/PTR/SPF and who you pretend to be in HELO/EHLO Those two simple rule

Re: Multiple A and PTR and the "main" ones?

We are also one of those services that will reject mail if DNS records don't line up sufficiently to a) satisfy RFC requirements for DNS and b) are clearly mismatched with your DNS A/MX/PTR/SPF and who you pretend to be in HELO/EHLO Those two simple rules block more than 92% of incoming spam attem

Re: Multiple A and PTR and the "main" ones?

Am 11.09.2015 um 16:33 schrieb Lightner, Jeff: Actually some mail servers DO check not only that a PTR exists but also that it is not "generic". Every once in a while we get someone complaining because one of the big sites (Ebay?) refuses to accept their email due the "generic" (as defined by

RE: Multiple A and PTR and the "main" ones?

Actually some mail servers DO check not only that a PTR exists but also that it is not "generic". Every once in a while we get someone complaining because one of the big sites (Ebay?) refuses to accept their email due the "generic" (as defined by that site's policies) nature of our PTR. We

Re: Multiple A and PTR and the "main" ones?

On 09/11/2015 02:10 PM, Reindl Harald wrote: just don't specifiy more than one PTR for a IP Am 11.09.2015 um 14:14 schrieb Marek Kozlowski: Specifying multiple CNAMEs for the same alias is not possible On 11.09.15 14:22, Reindl Harald wrote: no idea what that means, a CNAME can point to an

Re: Multiple A and PTR and the "main" ones?

Am 11.09.2015 um 14:42 schrieb Marek Kozlowski: On 09/11/2015 02:36 PM, Reindl Harald wrote: STAY ON LIST - the last time i had enough of repeating that a answer on a public ML is not a invitation for private support i got moderated... Oups! Sorry! :-( Sorry! Sorry! I'm sending this with th

Re: Multiple A and PTR and the "main" ones?

On 09/11/2015 02:36 PM, Reindl Harald wrote: > STAY ON LIST - the last time i had enough of repeating that a > answer on a public ML is not a invitation for private support i got > moderated... Oups! Sorry! :-( Sorry! Sorry! I'm sending this with the whole "history" of our conversation. > it is

Re: Multiple A and PTR and the "main" ones?

STAY ON LIST - the last time i had enough of repeating that a answer on a public ML is not a invitation for private support i got moderated... it is my opinion backed by dealing with DNS and email for many years facing all problems left and right we never had because the strict policy here tha

Re: Multiple A and PTR and the "main" ones?

Am 11.09.2015 um 14:14 schrieb Marek Kozlowski: On 09/11/2015 02:10 PM, Reindl Harald wrote: Am 11.09.2015 um 14:02 schrieb Marek Kozlowski: :-) I have defined several A and PTR records for my main server. Unfortunately, recently I've noticed that some peer servers have problems with rev-re

Re: Multiple A and PTR and the "main" ones?

Am 11.09.2015 um 14:02 schrieb Marek Kozlowski: :-) I have defined several A and PTR records for my main server. Unfortunately, recently I've noticed that some peer servers have problems with rev-resolving my IP (verifying the name and address) if there are too many As and PTRs. I'm wondering

Multiple A and PTR and the "main" ones?

:-) I have defined several A and PTR records for my main server. Unfortunately, recently I've noticed that some peer servers have problems with rev-resolving my IP (verifying the name and address) if there are too many As and PTRs. I'm wondering if it's possible to specify one A and one PTR as a "