https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6287
Summary: DKIM validation fails with "PUBLIC KEY: UNSUPPORTED
KEY TYPE"
Product: Spamassassin
Version: 3.2.5
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Plugins
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=4645)
--> (https://issues.apache.org/SpamAssassin/attachment.cgi?id=4645)
example e-mail which fails DKIM validation
Although DKIM validation works OK for some sites, for some it fails with
"unsupported key type".
Error looks like this:
[1353] dbg: config: fixed relative path:
/var/lib/spamassassin/3.002005/updates_spamassassin_org/25_dkim.cf
[1353] dbg: config: using
"/var/lib/spamassassin/3.002005/updates_spamassassin_org/25_dkim.cf" for
included file
[1353] dbg: config: read file
/var/lib/spamassassin/3.002005/updates_spamassassin_org/25_dkim.cf
[1353] dbg: config: fixed relative path:
/var/lib/spamassassin/3.002005/updates_spamassassin_org/60_whitelist_dkim.cf
[1353] dbg: config: using
"/var/lib/spamassassin/3.002005/updates_spamassassin_org/60_whitelist_dkim.cf"
for included file
[1353] dbg: config: read file
/var/lib/spamassassin/3.002005/updates_spamassassin_org/60_whitelist_dkim.cf
[1353] dbg: dkim: performing public key lookup and signature verification
[1353] dbg: dkim: signing identity: [email protected], d=kiva.org, a=rsa-sha1,
c=nofws
[1353] dbg: dkim: signing identity: @kiva.org, d=kiva.org, a=rsa-sha1,
c=simple/simple
[1353] dbg: dkim: signature verification result: INVALID (PUBLIC KEY:
UNSUPPORTED KEY TYPE)
[1353] dbg: dkim: FAILED author signature by id [email protected], author
[email protected], MATCHES whitelist_auth ^...@kiva\.org$
[1353] dbg: dkim: FAILED author signature by id [email protected], author
[email protected], no valid matches
[1353] dbg: dkim: FAILED author signature by id @kiva.org, author
[email protected], MATCHES whitelist_auth ^...@kiva\.org$
[1353] dbg: dkim: FAILED author signature by id @kiva.org, author
[email protected], no valid matches
[1353] dbg: dkim: author [email protected], found in whitelist_auth BUT IGNORED
[1353] dbg: dkim: policy: performing lookup
[1353] dbg: dkim: policy result neutral: o=~
Why is this public key type unsupported, and can that be fixed ?
System is Debian Lenny (AMD64), spamassin is 3.2.5-2+lenny1.1~volatile1.
Validation fails with same error both with default Lenny libmail-dkim-perl
(0.32-1) and with the newer one from squeeze (0.37-1)
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