Hello! Do I really have to whitelist all the IPs of outbound.protection.outlook.com in postgrey?
Oct 2 10:57:28 bitclusive1 postfix/smtpd[20061]: NOQUEUE: reject: RCPT from mail-eopbgr680083.outbound.protection.outlook.com[40.107.68.83]: 450 4.2.0 <a.me...@bitclusive.de>: Recipient address rejected: Greylisted for 60 seconds; from=<bounces+SRS=6CNNV=x...@senpluspluseop.onmicrosoft.com> to=<a.me...@bitclusive.de> proto=ESMTP helo=<NAM04-BN3-obe.outbound.protection.outlook.com> Kind regards Andreas
