PostFix: Reason:530 5.5.1 Authentication Required
I am trying to setup PostFix to be my local SMTP replay for all my services to send alerts to myself.
However, I am not able to authenticate with the Zoho SMTP service to send messages.
The log says the following:
Sep 22 13:15:29 core postfix/qmgr: 563E13FEC9: from=<root@core.HOST>, size=374, nrcpt=1 (queue active) Sep 22 13:15:29 core postfix/smtp: host smtp.zeptomail.com[18.104.22.168] offers SMTPUTF8 support, but not 8BITMIME
Sep 22 13:15:30 core postfix/smtp: host smtp.zeptomail.com[22.214.171.124] offers SMTPUTF8 support, but not 8BITMIME
Sep 22 13:15:30 core postfix/smtp: 563E13FEC9: to=<1PHONEfirstname.lastname@example.org>, relay=smtp.zeptomail.com[126.96.36.199]:587, delay=0.91, delays=0.04/0/0.77/0.1, dsn=5.5.1, status=bounced (host smtp.
zeptomail.com[188.8.131.52] said: 530 5.5.1 Authentication Required. (in reply to MAIL FROM command))
Sep 22 13:15:30 core postfix/cleanup: 599173FED9: message-id=<20230922171530.599173FED9@core.HOST>
Sep 22 13:15:30 core postfix/bounce: 563E13FEC9: sender non-delivery notification: 599173FED9
Thank you for the help!
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