- Plesk Onyx
Cannot sent mail to Yahoo mailbox.
Following errors in
CONFIG_TEXT: localhost postfix/smtp: DA7281040FA7: to=<email@example.com>, relay=mta5.am0.yahoodns.net[220.127.116.11]:25, delay=1.4, delays=0.02/0.01/0.62/0.8, dsn=5.7.5, status=bounced (host mta5.am0.yahoodns.net[18.104.22.168] said: 556 5.7.5 Invalid RFC missing body (in reply to end of DATA command))
According to Yahoo documentation, 5.7.5 error means the following:
This error message indicates that your email wasn't accepted because it failed authentication checks against your sending domain's DomainKeys or DKIM policy.
Set up DKIM according to this guide: How to configure DKIM policy in Plesk?