Exim cpanel issues

Okay here is the situation, one day my server stopped sending email, I checked everything, Iptables, and configurations. my mail queue is backing up with emails and these are the only 2 errors in the logs,

R=lookuphost T=remote_smtp defer (110): Connection timed out
Connecting to mx4.mail.yahoo.com [216.155.197.60]:25 ... failed: No route to host

As a last resort i updated Cpanel reinstalled exim and reset exim to default

a dig of mx4.mail.yahoo.com


yields these results
; <<>> DiG 9.3.1 <<>> mx4.mail.yahoo.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46624
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 5, ADDITIONAL: 0

;; QUESTION SECTION:
;mx4.mail.yahoo.com. IN A

;; ANSWER SECTION:
mx4.mail.yahoo.com. 1601 IN A 216.155.197.60
mx4.mail.yahoo.com. 1601 IN A 66.218.86.156
mx4.mail.yahoo.com. 1601 IN A 216.155.197.59

;; AUTHORITY SECTION:
yahoo.com. 172791 IN NS ns4.yahoo.com.
yahoo.com. 172791 IN NS ns5.yahoo.com.
yahoo.com. 172791 IN NS ns1.yahoo.com.
yahoo.com. 172791 IN NS ns2.yahoo.com.
yahoo.com. 172791 IN NS ns3.yahoo.com.

;; Query time: 14 msec
;; SERVER: 216.229.74.9#53(216.229.74.9)
;; WHEN: Sat Feb 11 10:44:04 2006
;; MSG SIZE rcvd: 174



I can ping everything. this goes for mail going to any domain not just yahoo.

i checkled /etc/hosts and it is correct..........
any help will be greatly appreciated.

 

 

 

 

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