Try again. Like I said before, gmail.com imposes random failures on unauthenticated domains. > From: Noelle <noelle> > Date: Thu, 16 Nov 2023 09:24:24 -0800 (PST) > > > Date: Thu, 16 Nov 2023 09:15:30 -0800 > > From: Mail Delivery Subsystem <http://www.c.mail.sonic.net/~MAILER-DAEMON> > > To: <http://dummy.us.eu.org/noelleg> > > Subject: Returned mail: see transcript for details > > Content-Type: text/plain;charset=utf-8 > > Content-Transfer-Encoding: 8bit > > > > The original message was received at Thu, 16 Nov 2023 09:15:19 -0800 > > from 23-93-48-239.dedicated.static.sonic.net [23.93.48.239] > > > > ----- The following addresses had permanent fatal errors ----- > > <http://www.gmail.com/~bhavaniowl> > > (reason: 550-5.7.26 This mail has been blocked because the sender is > > unauthenticated.) > > > > ----- Transcript of session follows ----- > > ... while talking to gmail-smtp-in.l.google.com.: > > >>> DATA > > <<< 550-5.7.26 This mail has been blocked because the sender is > > unauthenticated. > > <<< 550-5.7.26 Gmail requires all senders to authenticate with either SPF or > > DKIM. > > <<< 550-5.7.26 > > <<< 550-5.7.26 Authentication results: > > <<< 550-5.7.26 DKIM = did not pass > > <<< 550-5.7.26 SPF [alum.cal.org] with ip: [64.142.111.80] = did > > not pass > > <<< 550-5.7.26 > > <<< 550-5.7.26 To mitigate this issue, please visit Gmail's authentication > > guide > > <<< 550-5.7.26 for instructions on setting up authentication: > > <<< 550 5.7.26 https://support.google.com/mail/answer/81126#authentication > > b76-20020a63344f000000b005b9602a7ba3si12356547pga.475 - gsmtp > > 554 5.0.0 Service unavailable > > > > Content-Type: message/delivery-status > > > > Reporting-MTA: dns; c.mail.sonic.net > > Received-From-MTA: DNS; 23-93-48-239.dedicated.static.sonic.net > > Arrival-Date: Thu, 16 Nov 2023 09:15:19 -0800 > > > > Final-Recipient: RFC822; http://www.gmail.com/~bhavaniowl > > X-Actual-Recipient: rfc822; http://www.gmail.com/~bhavaniowl > > Action: failed > > Status: 5.7.26 > > Remote-MTA: DNS; gmail-smtp-in.l.google.com > > Diagnostic-Code: SMTP; 550-5.7.26 This mail has been blocked because the > > sender is unauthenticated. > > Last-Attempt-Date: Thu, 16 Nov 2023 09:15:30 -0800 > > > > > Date: Thu, 16 Nov 2023 09:15:14 -0800 (PST) > > > From: Noelle <http://dummy.us.eu.org/noelleg> > > > To: Bhavani <http://www.gmail.com/~bhavaniowl> > > > Subject: New Mini Series and Thanksgiving Class (fwd) > > > Old-Message-ID: <nycvar.QRO.7.76.2311160914030.532807@zvav> > > > Content-Type: text/plain;charset=utf-8 > > > Content-Transfer-Encoding: 8bit > > > > > > Were you and Chris practicing this Tibetan yoga a long time ago? > > > Julianne is teaching this series on Zoom, if interested. > > > (you could turn up the volume LOL!) > > > Noelle