[Spacewalk-list] Mail Notifications

[P.Cookson at bham.ac.uk]

Good afternoon

I have Spacewalk 2.8 installed on a RHEL 7.6 system with Postfix configured to use our own mail relay. If I send an email test, from the command line, to my personal email box I receive the email straightaway. However, I'm not receiving email Notifications, from Spacewalk, even though they are checked in the Users' Preferences screen.

I can see the following type of errors in /var/log/maillog (hostname etc made anonymous):

May  2 14:34:50 <hostname> postfix/smtp[45681]: 422EAE2C60: to=<user>@<address>, relay=<relay name>[<relay IP>]:25, delay=409786, delays=409781/0.03/5/0.02, dsn=4.0.0, status=deferred (host relay=<relay name>[<relay IP>] said: 451 Temporary local problem - please try later (in reply to RCPT TO command))

Is there some Spacewalk configuration that needs to be done to enable it to utilise Postfix perhaps? As an example I've seen some references to web.default_mail_from, in /etc/rhn/rhn.conf, but I'm not sure what it actually needs to be set to.

Regards

Philip Cookson
Linux Administrator
IT Services
ERI Building
Edgbaston
Birmingham
B15 2TT

Tel: 0121 414 4731
Email: p.cookson at bham.ac.uk

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