On Tue, Aug 15, 2023 at 04:14:58PM -0400, pgnd via Postfix-users wrote: > 2023-08-14T13:11:53.782611-04:00 svr01 postfix/postscreen[27910]: CONNECT > from [52.101.56.17]:32607 to [209.123.234.54]:25 > 2023-08-14T13:11:59.860098-04:00 svr01 postfix/postscreen[27910]: PASS NEW > [52.101.56.17]:32607 > 2023-08-14T13:12:00.058029-04:00 svr01 > postfix/postscreen-internal/smtpd[27907]: connect from > mail-eastus2azon11020017.outbound.protection.outlook.com[52.101.56.17] > 2023-08-14T13:12:00.118201-04:00 svr01 > postfix/postscreen-internal/smtpd[27907]: Anonymous TLS connection > established from > mail-eastus2azon11020017.outbound.protection.outlook.com[52.101.56.17]: > TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits) > 2023-08-14T13:12:00.131049-04:00 svr01 > postfix/postscreen-internal/smtpd[27907]: disconnect from > mail-eastus2azon11020017.outbound.protection.outlook.com[52.101.56.17] ehlo=1 > starttls=1 quit=1 commands=3
Perhaps they don't like your certificate and disconnect once the handshake completes. What are some of the domains this server is an MX host for? > OK mail from outlook does make it's way thru; e.g., since Monday, > > xzegrep "250 2.0.0 Queued as.*outbound.protection.outlook.com" > /var/log/postfix/postfix.log | wc -l > 4343 Isn't that outbound mail *to* Microsoft-hosted domains? I wouldn't expect that to appear in logs of incoming mail. -- Viktor. _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org