On Tue, 2 Oct 2018, Matus UHLAR - fantomas wrote:

On 2 Oct 2018, at 9:36, Rob McEwen wrote:
SIDE NOTE: I don't think there was any domain my message that was blacklisted on URIBL - so I can't explain the "URIBL_BLOCKED", but that only scored 0.001, so that was innocuous. I suspect that that rule is malfunctioning on their end, and then they changed the score to .001 - so just please ignore that for the purpose of this discussion.

On 02.10.18 11:48, Bill Cole wrote:
No, "URIBL_BLOCKED" means that the URIBL DNS returned a value that is supposed to be a message to a mail admin that they are using URIBL wrong

A mail filtering system that gets URIBL_BLOCKED hits is broken. A mail filtering system that gets them chronically is mismanaged.

Nonsense. There is no such implication here. While URIBL_BLOCKED may and
most of the time apparently does mean that system uses DNS server shared
with too many clients, any system that receives and checks too much mail may
get URIBL_BLOCKED just because they have crossed the limit, withous using it
wrong or being broken.

And just to actually provide useful information to the OP:

Tell them that they need to set up a local, recursive, ***NON-FORWARDING*** DNS server for the use of SA (and likely their MTA).

Searching for URIBL_BLOCKED in the mailing list archives will cover it in *excruciating* detail. It's a VFAQ.

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