- Previous message: Benjamin Donnachie: "Re: Is this a correct for relayhost exception when from=<> ?"
- Maybe in reply to: Jewel Makda: "Log Question"
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From: Payne (no email)
Date: Fri Jun 01 2007 - 14:52:23 EDT
Do you a revese dns entry? A lot mail server use RDNS as a means to stop
spam.
A 4xx is a temp error, so it might go later. I wonder if they are doing
grey listing. Because if you were on their black list the error would be
5xx.
Lars Johansen wrote:
> Means that your ip address cant be resolved to the domain you claim to
> be sending from
> Jewel Makda skrev:
>
>> Below is an entry in my log and I don't understand exactly what it means.
>>
>> May 30 07:14:59 lists postfix/smtp[31044]: A84572795A6:
>> to=<>, relay=none, delay=77855, status=deferred
>> (connect to mx2.umich.edu[141.211.124.86]: server refused to talk to
>> me: 421 Error checking reverse address:/ "my server's IP address"
>> /timeout )
>>
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