We first started getting bounce notifications around 7 hours ago, I'm surprised it took this long for Postmark to announce the service issue.<p>We're seeing responses like this in our logs:<p>smtp;550 5.7.1 Service unavailable, Client host [<ip>] blocked using Spamhaus. To request removal from this list see <a href="https://www.spamhaus.org/query/ip/<ip>" rel="nofollow">https://www.spamhaus.org/query/ip/<ip></a> (AS3130). [DM6NAM04FT060.eop-NAM04.prod.protection.outlook.com]<p>Historical "Time to Inbox" available further down on this page:
<a href="https://status.postmarkapp.com/" rel="nofollow">https://status.postmarkapp.com/</a>
Postmark was bought out in May. Just a coincidence, or possibly co-mingling IP addresses with the new overlords?<p><a href="https://postmarkapp.com/updates/postmark-has-been-acquired-by-activecampaign" rel="nofollow">https://postmarkapp.com/updates/postmark-has-been-acquired-b...</a>