このメールはシステムからの自動送信メールです。
このメールは送信できませんでした。
Hi. This is the mail program at ns.itscom.net.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<hyodo.totoro(a)gmail.com>: host gmail-smtp-in.l.google.com[192.178.230.27] said:
550-5.7.26 Your email 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 [ml.deaf.tokyo] with ip:
[175.177.155.37] = did not pass 550-5.7.26 550-5.7.26 For instructions on
setting up authentication, go to 550 5.7.26
https://support.google.com/mail/answer/81126#authentication
d2e1a72fcca58-847a00b30f5si4338328b3a.37 - gsmtp (in reply to end of DATA
command)
