On 14 Feb 2013, at 5:13 AM, Raymond Norton wrote: > Senders using google servers are getting mail back with the following: > > 550 REJECTED - DKIM failure: pubkey_unavailable > > Is this an oversight on configuration on my part?? Is there an acl or > whitelist I can add to relax things some?
This is caused due to the DNS server you are using not supporting TCP queries. The current size of the Google DKIM keys do not fit in a UDP query so the client switches to TCP to query them. - Andrew -- www.baruwa.org _______________________________________________ Keep Baruwa FREE - http://pledgie.com/campaigns/12056
