Hi, yesterday some email have been blocked by SpamHaus and Yahoo (which might query SpamHaus as well). Error message are: 503-Rejected because 38.124.232.237 is in a black list at zen.spamhaus.org 503-Error: open resolver; https://www.spamhaus.org/returnc/pub/172.69.169.15
Checking the mentioned ip addresses on https://check.spamhaus.org, all ip addresses are clean. Does SpamHaus had known issues yesterday ? Regards Giovanni
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