https://bugs.exim.org/show_bug.cgi?id=3057
Bug ID: 3057
Summary: invalid entry in addresslist causes remaining entries
not to match
Product: Exim
Version: 4.95
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: List matching
Assignee: unallocated@???
Reporter: syzop@???
CC: exim-dev@???
I have a simple:
hostlist relay_from_hosts = /etc/exim4/relay_hosts
And in that /etc/exim4/relay_hosts file I made a typo:
it had like 10 IP addresses, and then one invalid IPv6 address, like:
2a05:dddd:ccc:1234:5555:6666
followed by 5 other IP addresses
The problem is twofold:
1) I would expect Exim to skip an invalid IP address entry and continue with
checking the other lines, but it stopped. Removing that faulty IP address fixes
the problem. Moving the IP addresses from below to above the faulty entry fixes
the problem too.
2) There was no warning or anything in the /var/log/exim4/mainlog
The invalid IPv6 address was between other IPv6 addresses. Given the nature of
IPv6 addresses with some being compressed others uncompressed it doesn't really
stand out, or at least not for me (yet).
I think it would be really preferred if Exim would not stop processing (fixing
point 1), but if somehow that is difficult to do programmatically then I hope
at least a warning can be added upon encountering invalid entries (point 2).
If you need any further information, let me know.
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