Re: [courier-users] DNS failure

[Matus U. - f. <uh...@fa...>]

On 23.06.10 09:21, Bowie Bailey wrote:
> I see the message "DNS lookup failed." in my logs for a particular
> email.  When I test it, I get this:
> 
>     $ testmxlookup puertoislamujers.com
>     Soft error.
>     $ host puertoislamujers.com
>     puertoislamujers.com has address 74.86.203.162
> 
> I thought that Courier would attempt delivery to the A record if there
> was no MX record?

how do you know it has no MX records? The MX lookup didn't return valid
negative answer, it failed. It indicates DNS error. I can confirm this
- nameserver lookups for puertoislamujers.com timeout.
Their DNS is broken.

> I realize that the server at that address is not answering to port 25,
> but that should generate a timeout, not a DNS error.

courier even does not try the A and it doesn't have to.

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