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Level 2: Rookie

Telstra rDNS not updating correctly

We recently changed ISP and since then, we can no longer send emails to @bigpond or other Telstra addresses.

 

ALL OTHER domains work fine and rDNS is showing as correct on every other email provider. This error is specific to extmail.bigpond.com

 

26/10/2018 12:21:56 AM - Server at extmail.bigpond.com (203.36.137.234) returned '451 4.4.0 Target host responded with: "421 4.7.25 Temporarily rejected. Reverse DNS for REDACTED failed. IB108." Last endpoint attempted was 203.36.137.234:25'

I have seen previous threads that indicate that Telstra do not believe the issue is on their end, but literally every other domain is fine without rDNS issues. This can't be an issue on our end.

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3 REPLIES 3
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Level 25: The Singularity
Level 25: The Singularity

Re: Telstra rDNS not updating correctly

Have you sent the error report 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.
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Level 2: Rookie

Re: Telstra rDNS not updating correctly

I have not...I will do that now.
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Support Team
Support Team

Re: Telstra rDNS not updating correctly

How'd you get on with this, fstech? I'd like to know it's been appropriately addressed. - Matthew.

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