Same issue for domain outlook.com:
: host
microsoft-com.mail.protection.outlook.com[52.101.8.49] said: 554 5.2.122
The recipient has exceeded their limit for the number of messages they can
receive per hour. For more information go to
http://go.microsoft.com/fwlink/?LinkId=526653
Hello,
is there somebody from Microsoft on this list?
For domain microsoft.com there is a DMARC record published:
v=DMARC1; p=reject; pct=100; rua=mailto:itex-...@microsoft.com;
ruf=mailto:itex-...@microsoft.com; fo=1
You may consider rise the rate limit for this mailbox 😉
: host
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