https://bugs.exim.org/show_bug.cgi?id=2701
Bug ID: 2701
Summary: dns_ipv4_lookup does not expand +domainlist
Product: Exim
Version: 4.94
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Lookups
Assignee: unallocated@???
Reporter: wbreyha@???
CC: exim-dev@???
The documentation states that dns_ipv4_lookup uses an expanded domainlist.
It is easy to reproduce. Use a copy of any working config and add the two lines
I used and "-bt" afterwards.
Maybe only documentation needs fixing.
I tried
domainlist gmailmx = *.l.google.com
dns_ipv4_lookup = +gmailmx
but
# exim -d+all -bt test@??? shows:
...since this domainlist is only used for this specific task and not referenced
before I stripped debug output down to the dnslookup router away ...
14:36:06 27843 --------> dnslookup router <--------
14:36:06 27843 local_part=test domain=gmail.com
14:36:06 27843 checking domains
14:36:06 27843 gmail.com in "@ : /etc/mail/exim/local_domains : +mm_domains"?
no (end of list)
14:36:06 27843 cached no match for +mm_domains
14:36:06 27843 cached lookup data = NULL
14:36:06 27843 gmail.com in "! +local_domains : ! +mm_domains"? yes (end of
list)
14:36:06 27843 calling dnslookup router
14:36:06 27843 dnslookup router called for test@???
14:36:06 27843 domain = gmail.com
14:36:06 27843 gmail.com in "*"? yes (matched "*")
14:36:06 27843 Coerced resolver EDNS0 support on.
14:36:06 27843 Coerced resolver DNSSEC support on.
14:36:06 27843 DNS lookup of gmail.com (MX) succeeded
14:36:06 27843 Coerced resolver EDNS0 support on.
14:36:06 27843 Coerced resolver DNSSEC support on.
14:36:06 27843 gmail-smtp-in.l.google.com in dns_ipv4_lookup? no (end of list)
14:36:06 27843 DNS lookup of gmail-smtp-in.l.google.com (AAAA) succeeded
14:36:06 27843 2a00:1450:400c:c04::1a in "0.0.0.0 : 127.0.0.0/8 :
/etc/mail/exim/badmx"? no (end of list)
14:36:06 27843 DNS lookup of gmail-smtp-in.l.google.com (A) succeeded
14:36:06 27843 74.125.206.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:36:06 27843 alt1.gmail-smtp-in.l.google.com in dns_ipv4_lookup? no (end of
list)
14:36:06 27843 DNS lookup of alt1.gmail-smtp-in.l.google.com (AAAA) succeeded
14:36:06 27843 2a00:1450:4025:c03::1b in "0.0.0.0 : 127.0.0.0/8 :
/etc/mail/exim/badmx"? no (end of list)
14:36:06 27843 DNS lookup of alt1.gmail-smtp-in.l.google.com (A) succeeded
14:36:06 27843 142.251.9.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:36:06 27843 alt2.gmail-smtp-in.l.google.com in dns_ipv4_lookup? no (end of
list)
14:36:06 27843 DNS lookup of alt2.gmail-smtp-in.l.google.com (AAAA) succeeded
14:36:06 27843 2a00:1450:4010:c03::1b in "0.0.0.0 : 127.0.0.0/8 :
/etc/mail/exim/badmx"? no (end of list)
14:36:06 27843 DNS lookup of alt2.gmail-smtp-in.l.google.com (A) succeeded
14:36:06 27843 209.85.233.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:36:06 27843 alt3.gmail-smtp-in.l.google.com in dns_ipv4_lookup? no (end of
list)
14:36:06 27843 DNS lookup of alt3.gmail-smtp-in.l.google.com (AAAA) succeeded
14:36:06 27843 2404:6800:4003:c06::1a in "0.0.0.0 : 127.0.0.0/8 :
/etc/mail/exim/badmx"? no (end of list)
14:36:06 27843 DNS lookup of alt3.gmail-smtp-in.l.google.com (A) succeeded
14:36:06 27843 142.250.4.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:36:06 27843 alt4.gmail-smtp-in.l.google.com in dns_ipv4_lookup? no (end of
list)
14:36:06 27843 DNS lookup of alt4.gmail-smtp-in.l.google.com (AAAA) succeeded
14:36:06 27843 2404:6800:4008:c00::1a in "0.0.0.0 : 127.0.0.0/8 :
/etc/mail/exim/badmx"? no (end of list)
14:36:06 27843 DNS lookup of alt4.gmail-smtp-in.l.google.com (A) succeeded
14:36:06 27843 108.177.97.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:36:06 27843 Actual local interface address is 127.0.0.1 (lo)
14:36:06 27843 Actual local interface address is ...
14:36:06 27843 Actual local interface address is ::1 (lo)
14:36:06 27843 Actual local interface address is ....
14:36:06 27843 Actual local interface address is fe80:....
14:36:06 27843 Actual local interface address is ....
14:36:06 27843 fully qualified name = gmail.com
14:36:06 27843 host_find_bydns yield = HOST_FOUND (3); returned hosts:
14:36:06 27843 gmail-smtp-in.l.google.com 2a00:1450:400c:c04::1a MX=5
14:36:06 27843 gmail-smtp-in.l.google.com 74.125.206.26 MX=5
14:36:06 27843 alt1.gmail-smtp-in.l.google.com 2a00:1450:4025:c03::1b MX=10
14:36:06 27843 alt1.gmail-smtp-in.l.google.com 142.251.9.26 MX=10
14:36:06 27843 alt2.gmail-smtp-in.l.google.com 2a00:1450:4010:c03::1b MX=20
14:36:06 27843 alt2.gmail-smtp-in.l.google.com 209.85.233.26 MX=20
14:36:06 27843 alt3.gmail-smtp-in.l.google.com 2404:6800:4003:c06::1a MX=30
14:36:06 27843 alt3.gmail-smtp-in.l.google.com 142.250.4.26 MX=30
14:36:06 27843 alt4.gmail-smtp-in.l.google.com 2404:6800:4008:c00::1a MX=40
14:36:06 27843 alt4.gmail-smtp-in.l.google.com 108.177.97.26 MX=40
14:36:06 27843 Coerced resolver EDNS0 support on.
14:36:06 27843 Coerced resolver DNSSEC support on.
14:36:06 27843 set transport remote_smtp
14:36:06 27843 queued for remote_smtp transport: local_part = test
14:36:06 27843 domain = gmail.com
14:36:06 27843 errors_to=NULL
14:36:06 27843 domain_data=NULL localpart_data=NULL
14:36:06 27843 routed by dnslookup router
14:36:06 27843 envelope to: test@???
14:36:06 27843 transport: remote_smtp
14:36:06 27843 host gmail-smtp-in.l.google.com [2a00:1450:400c:c04::1a] MX=5
dnssec=no
14:36:06 27843 host gmail-smtp-in.l.google.com [74.125.206.26] MX=5 dnssec=no
14:36:06 27843 host alt1.gmail-smtp-in.l.google.com [2a00:1450:4025:c03::1b]
MX=10 dnssec=no
14:36:06 27843 host alt1.gmail-smtp-in.l.google.com [142.251.9.26] MX=10
dnssec=no
14:36:06 27843 host alt2.gmail-smtp-in.l.google.com [2a00:1450:4010:c03::1b]
MX=20 dnssec=no
14:36:06 27843 host alt2.gmail-smtp-in.l.google.com [209.85.233.26] MX=20
dnssec=no
14:36:06 27843 host alt3.gmail-smtp-in.l.google.com [2404:6800:4003:c06::1a]
MX=30 dnssec=no
14:36:06 27843 host alt3.gmail-smtp-in.l.google.com [142.250.4.26] MX=30
dnssec=no
14:36:06 27843 host alt4.gmail-smtp-in.l.google.com [2404:6800:4008:c00::1a]
MX=40 dnssec=no
14:36:06 27843 host alt4.gmail-smtp-in.l.google.com [108.177.97.26] MX=40
dnssec=no
test@???
router = dnslookup, transport = remote_smtp
host gmail-smtp-in.l.google.com [2a00:1450:400c:c04::1a] MX=5
host gmail-smtp-in.l.google.com [74.125.206.26] MX=5
host alt1.gmail-smtp-in.l.google.com [2a00:1450:4025:c03::1b] MX=10
host alt1.gmail-smtp-in.l.google.com [142.251.9.26] MX=10
host alt2.gmail-smtp-in.l.google.com [2a00:1450:4010:c03::1b] MX=20
host alt2.gmail-smtp-in.l.google.com [209.85.233.26] MX=20
host alt3.gmail-smtp-in.l.google.com [2404:6800:4003:c06::1a] MX=30
host alt3.gmail-smtp-in.l.google.com [142.250.4.26] MX=30
host alt4.gmail-smtp-in.l.google.com [2404:6800:4008:c00::1a] MX=40
host alt4.gmail-smtp-in.l.google.com [108.177.97.26] MX=40
14:36:06 27843 search_tidyup called
If I use:
domainlist gmx = *.l.google.com
dns_ipv4_lookup = +gmx : *.l.google.com
it gets filtered correctly:
....
14:38:24 27860 --------> dnslookup router <--------
14:38:24 27860 local_part=test domain=gmail.com
14:38:24 27860 checking domains
14:38:24 27860 gmail.com in "@ : /etc/mail/exim/local_domains : +mm_domains"?
no (end of list)
14:38:24 27860 cached no match for +mm_domains
14:38:24 27860 cached lookup data = NULL
14:38:24 27860 gmail.com in "! +local_domains : ! +mm_domains"? yes (end of
list)
14:38:24 27860 calling dnslookup router
14:38:24 27860 dnslookup router called for test@???
14:38:24 27860 domain = gmail.com
14:38:24 27860 gmail.com in "*"? yes (matched "*")
14:38:24 27860 Coerced resolver EDNS0 support on.
14:38:24 27860 Coerced resolver DNSSEC support on.
14:38:24 27860 DNS lookup of gmail.com (MX) succeeded
14:38:24 27860 Coerced resolver EDNS0 support on.
14:38:24 27860 Coerced resolver DNSSEC support on.
14:38:24 27860 gmail-smtp-in.l.google.com in dns_ipv4_lookup? yes (matched
"*.l.google.com")
14:38:24 27860 DNS lookup of gmail-smtp-in.l.google.com (A) succeeded
14:38:24 27860 74.125.206.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:38:24 27860 alt1.gmail-smtp-in.l.google.com in dns_ipv4_lookup? yes (matched
"*.l.google.com")
14:38:24 27860 DNS lookup of alt1.gmail-smtp-in.l.google.com (A) succeeded
14:38:24 27860 142.251.9.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:38:24 27860 alt2.gmail-smtp-in.l.google.com in dns_ipv4_lookup? yes (matched
"*.l.google.com")
14:38:24 27860 DNS lookup of alt2.gmail-smtp-in.l.google.com (A) succeeded
14:38:24 27860 209.85.233.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:38:24 27860 alt3.gmail-smtp-in.l.google.com in dns_ipv4_lookup? yes (matched
"*.l.google.com")
14:38:24 27860 DNS lookup of alt3.gmail-smtp-in.l.google.com (A) succeeded
14:38:24 27860 142.250.4.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:38:24 27860 alt4.gmail-smtp-in.l.google.com in dns_ipv4_lookup? yes (matched
"*.l.google.com")
14:38:24 27860 DNS lookup of alt4.gmail-smtp-in.l.google.com (A) succeeded
14:38:24 27860 108.177.97.26 in "0.0.0.0 : 127.0.0.0/8 : /etc/mail/exim/badmx"?
no (end of list)
14:38:24 27860 Actual local interface address is 127.0.0.1 (lo)
14:38:24 27860 Actual local interface address is ....
14:38:24 27860 Actual local interface address is ::1 (lo)
14:38:24 27860 Actual local interface address is ....
14:38:24 27860 Actual local interface address is fe80::...
14:38:24 27860 Actual local interface address is ...
14:38:24 27860 fully qualified name = gmail.com
14:38:24 27860 host_find_bydns yield = HOST_FOUND (3); returned hosts:
14:38:24 27860 gmail-smtp-in.l.google.com 74.125.206.26 MX=5
14:38:24 27860 alt1.gmail-smtp-in.l.google.com 142.251.9.26 MX=10
14:38:24 27860 alt2.gmail-smtp-in.l.google.com 209.85.233.26 MX=20
14:38:24 27860 alt3.gmail-smtp-in.l.google.com 142.250.4.26 MX=30
14:38:24 27860 alt4.gmail-smtp-in.l.google.com 108.177.97.26 MX=40
14:38:24 27860 Coerced resolver EDNS0 support on.
14:38:24 27860 Coerced resolver DNSSEC support on.
14:38:24 27860 set transport remote_smtp
14:38:24 27860 queued for remote_smtp transport: local_part = test
14:38:24 27860 domain = gmail.com
14:38:24 27860 errors_to=NULL
14:38:24 27860 domain_data=NULL localpart_data=NULL
14:38:24 27860 routed by dnslookup router
14:38:24 27860 envelope to: test@???
14:38:24 27860 transport: remote_smtp
14:38:24 27860 host gmail-smtp-in.l.google.com [74.125.206.26] MX=5 dnssec=no
14:38:24 27860 host alt1.gmail-smtp-in.l.google.com [142.251.9.26] MX=10
dnssec=no
14:38:24 27860 host alt2.gmail-smtp-in.l.google.com [209.85.233.26] MX=20
dnssec=no
14:38:24 27860 host alt3.gmail-smtp-in.l.google.com [142.250.4.26] MX=30
dnssec=no
14:38:24 27860 host alt4.gmail-smtp-in.l.google.com [108.177.97.26] MX=40
dnssec=no
test@???
router = dnslookup, transport = remote_smtp
host gmail-smtp-in.l.google.com [74.125.206.26] MX=5
host alt1.gmail-smtp-in.l.google.com [142.251.9.26] MX=10
host alt2.gmail-smtp-in.l.google.com [209.85.233.26] MX=20
host alt3.gmail-smtp-in.l.google.com [142.250.4.26] MX=30
host alt4.gmail-smtp-in.l.google.com [108.177.97.26] MX=40
14:38:24 27860 search_tidyup called
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