On 11.10.23 15:06, Ralf Hildebrandt via Postfix-users wrote:
Since this morning, various MX hosts in *.mail.protection.outlook.com
reporting are reporting back temporary errors for us:
Exhibit A)
host ohri-ca.mail.protection.outlook.com[104.47.75.228] said: 452 4.5.3 Too
many recipients (AS780090) [YQBCAN01FT018.eop-CAN01.prod.protection.outlook.com
2023-10-11T02:11:41.144Z 08DBC99CDEC51952] (in reply to RCPT TO command)
(for a mail with 4 recipients, in that particular case)
Exhibit B)
host fraport-de.mail.protection.outlook.com[52.101.73.16] said: 451 4.7.500
Server busy. Please try again later from [193.175.73.209]. (S77719)
[AMS0EPF0000019E.eurprd05.prod.outlook.com 2023-10-11T01:32:21.804Z
08DBC9B278D9A989] (in reply to end of DATA command)
(for a single recipient mail)
This is happening for multiple tenants on *.mail.protection.outlook.com
Has anybody made similar observations? According to
https://sendersupport.olc.protection.outlook.com/snds/ : "All of the specified IPs
have normal status."
I'm just solving similar problem with our client.
We are getting the same problems.
This client had no problems sending mail until today ~06:00 UTC.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
How does cat play with mouse? cat /dev/mouse
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