SMTP timeout after EHLO : Connection timed out

Tpark

Verified User
Joined
Nov 2, 2018
Messages
24
Hi

All of my outgoing emails to "@yahoo.com" fails to deliver.
errors from exim main log file:
Code:
email@site.com H=hostname.com (site.com) [x.x.x.x] P=esmtpsa X=TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no A=login:email@site.com S=42557 id=13aae71116ef200ad187cc96348f09e7@site.com T="Email Header..." from <email@site.com> for destination@yahoo.com

mta7.am0.yahoodns.net [98.136.96.77]: SMTP timeout after EHLO hostname.com: Connection timed out
yahoo.com = fail
all other email providers = successfull

telnet on port 25: 98.136.96.77 / mta7.am0.yahoodns.net = successful
ping: 98.136.96.77 / mta7.am0.yahoodns.net = successful
csf -x = not worked
changed MTU from 1500 to 1472 = not worked
ip blacklist status = not black listed
ip spam history = clear / not spam
email spam score= 10/10 best score

Any help would be greatly appreciated.
 
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