This PTR record fails the reverse check: >host 167.89.88.20 20.88.89.167.in-addr.arpa domain name pointer o1.webmaillist.flowerdeliveryexpress.com.
>host o1.webmaillist.flowerdeliveryexpress.com Seth Charles via mailop пишет: > Hello, > We're running into a strange issue I'm wondering if anyone on this > list has seen before. > > We have a client that is running into blocks at Gmail, and the reason > given is, "550 5.7.1 [167.89.88.20] The IP address sending this > message does not have a PTR record setup. As a policy, Gmail does not > accept messages from IPs with missing PTR records. Please visit > https://support.google.com/mail/answer/81126#authentication for more > information." > > That's all fine, but we have verified through terminal digs as well as > tools like the Reverse Lookup at MXToolbox that there is a PTR record > in place and does point back to the proper value. > > Terminal: (host 167.89.88.20 > 20.88.89.167.in-addr.arpa domain name pointer > o1.webmaillist.flowerdeliveryexpress.com > <http://o1.webmaillist.flowerdeliveryexpress.com>.) > > MXToolbox: > Type IP Address Domain Name TTL > PTR 167.89.88.20 > <http://mxtoolbox.com/SuperTool.aspx?action=a%3ao1.webmaillist.flowerdeliveryexpress.com.&run=networktools#> > o1.webmaillist.flowerdeliveryexpress.com > <http://mxtoolbox.com/SuperTool.aspx?action=a%3ao1.webmaillist.flowerdeliveryexpress.com.&run=networktools#> > 15 min > > > The two affected IPs are: > > 167.89.88.20 > > 167.89.89.136 > > Anyone running into similar issues or have any insights? > > > Seth Charles > > > -- > ** > * > * > *Seth Charles* > Delivery Consultant | Email Delivery > > Interested in learning the latest email best practices or improving > your email program's delivery? Start *HERE > <https://sendgrid.com/solutions/expert-services>* > > > _______________________________________________ > mailop mailing list > [email protected] > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop -- Vladimir Dubrovin @Mail.Ru
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