exim: 550 relaying prohibited by administrator

I want web interfaces to send to any address via SMTP, but when I do it through 127.0.0.1 port 25, exim complains that I'm relaying. I'm running Debian testing, and /etc/exim/exim.conf is empty. To just let outgoing mail work – only from 127.0.0.1, not as an open relay -- is there a quick configuration line I can put in there?

1 Reply

forum:brlewis 20 years, 6 months ago

Found my own answer on my debian laptop:

The setting below allows your host to be used as a mail relay only by

localhost: it locks out the use of your host as a mail relay by any

other host. See the section of the manual entitled "Control of relaying"

for more info.

hostacceptrelay = 127.0.0.1 : ::::1

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