subversivetech
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Exchange Mail Server - MTA poor reputation? Not on blacklists. Just set up PTR
I have suddenly encountered a problem where the mail from my exchange server is being rejected due to poor reputation. The server is at exchange.healthone.com.au
The server/IP does not appear on any black lists and all seems ok.
Until 24 hours ago, I did not have Reverse DNS set up, but this has never been a problem before. I now have the Reverse DNS (PTR) record in place, but this does not seem to be helping.
Any ideas?
The server/IP does not appear on any black lists and all seems ok.
Until 24 hours ago, I did not have Reverse DNS set up, but this has never been a problem before. I now have the Reverse DNS (PTR) record in place, but this does not seem to be helping.
Any ideas?
ASKER
Send connector FQDN: exchange.healthone.com.au
'
Most mail servers are just hanging up on me, others are giving an explanation:
From protocol logs:
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.408Z,I
2011-03-08T00:00:04.504Z,I
2011-03-08T00:00:04.574Z,I
2011-03-08T00:00:04.575Z,I
2011-03-08T00:00:04.575Z,I
2011-03-08T00:00:20.682Z,I
2011-03-08T00:00:20.704Z,I
'
Most mail servers are just hanging up on me, others are giving an explanation:
From protocol logs:
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.407Z,I
2011-03-08T00:00:02.408Z,I
2011-03-08T00:00:04.504Z,I
2011-03-08T00:00:04.574Z,I
2011-03-08T00:00:04.575Z,I
2011-03-08T00:00:04.575Z,I
2011-03-08T00:00:20.682Z,I
2011-03-08T00:00:20.704Z,I
ASKER
Why is my server being bullied by the other kids?
I would contact the recipient IT people and ask them to explain why they think you have a poor reputation as I can't find anywhere (like you), that shows you have a poor reputation.
They may be using some random reputation checking service that is incorrectly listing you.
They may be using some random reputation checking service that is incorrectly listing you.
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ASKER
Looking at some of those links that there is more to having a good reputation than simply not being on a blacklist. I will be investigating some kind of monitoring to get ongoing reports on reputation.
However, I have noticed today that the mail servers that were bouncing my mail have stopped doing so. Perhaps the change I made recently (setting up Reverse DNS ptr record) is having a positive effect, or perhaps the reputation score for the server is climbing back up again.
However, I have noticed today that the mail servers that were bouncing my mail have stopped doing so. Perhaps the change I made recently (setting up Reverse DNS ptr record) is having a positive effect, or perhaps the reputation score for the server is climbing back up again.
Your Reverse DNS record (lack of) will make a huge difference and is a major factor in getting rejected.
I can't see anywhere that would dislike you. You seem to be RFC compliant.
What is the FQDN on your SEND Connector showing as? It should be exchange.healthone.com.au