mike kenny cibzxongmailcom experiencing problem year normally lasts month clears explanation corrective action taken part thought maybe yahoo experiencing load issues targeted certain tlds case coza alleviate load guess makes sense defer mail believe spam reject last year sent numerous queries complains yahoo never meaningful response interestingly problem first occurred mid 2007 providers exhibiting behavior netzerocom bellsouthnet charternet among others dont recall present thankfully secondary offenders desisted first second outbreak yahoo well persistent stage even looking solution explanation would nice mike ps chance improve situation mon feb 25 2008 654 pm tony bunce wrote sorry topic thread im loss anyone else issues sending mail yahoo returning 421 message temporarily deferred every message servers try send server retries like yahoo never accepts message even day retrying google turned several people issue one solution dsn right spf records sign outgoing messages using domainkeys ive filled every form yahoo support site without luck anyone else seeing problem know way get real person yahoo reports online yahoo paid support phone number fix problem one list phone number much dont want pay yahoo accept messages im running options customer complaints getting frequent every day tony bunce qnxepgoconceptscom sr programming systems administrator go concepts inc phone 513 9348234 fri 08 aug 2008 032702 0200 ot yahoo deferred