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Level 1: Cadet

“'451 4.4.0 Primary target IP address responded with: "550 5.7.1 Connection refused - IB116. 115.70.

We are having trouble sending email to our customers who are using @bigpond.com email addresses.

 

how can we send email to our customers? we are not in any major black list.

 

thank you

 

Remote Server at extmail.bigpond.com (203.36.172.106) returned '400 4.4.7 Message delayed'
29/07/2020 5:45:23 AM - Remote Server at extmail.bigpond.com (203.36.172.106) returned '451 4.4.0 Primary target IP address responded with: "550 5.7.1 Connection refused - IB116. 115.70.233.58 senderscore too low. Please check https://senderscore.org." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 203.36.172.106:25'

 

 

 

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1 REPLY 1
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Level 25: The Singularity
Level 25: The Singularity

Re: “'451 4.4.0 Primary target IP address responded with: "550 5.7.1 Connection refused - IB116

Send a copy of the bounce message, along with your contact details and when the problem started to occur to postmaster@bigpond.com

Never be afraid to back yourself when trying new things, just always make sure you have 3 escape routes if things go wrong.

Set it & forget it

With direct debit there’s no need to give paying your bill another thought.

Avoid queuing up and never worry about late fees again.

Setup direct debit