我已经在Ubuntu14.04机器上安装了DKIM,它使用、opendkim、和后缀。我生成了RSA键盘并更新了TXT记录。
在任何像www.mail-tester.com或www.dkimvalidator.com这样的DKIM测试器上测试设置时,我会得到诸如“结果=失败,错误的RSA签名”之类的错误。
下面是一个邮件示例(来自dkimvalidator.com的信息)。我用mail.example.com替换了真实的域。
DKIM Signature
Message contains this DKIM Signature:
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mail.example.com;
h=content-type:content-type:mime-version:subject:subject
:message-id:to:reply-to:from:from; s=dkim; t=1505761379; x=
1506625380; bh=xp3gKk5P39UaB7IV9Rj58h82gFaIiEDAqCbmUtWe2Yo=; b=s
ErbZFhFhPQjrOz2dH2RlYMAaN0oUKT7SBJe/bQg5Uxq86VHr7HkHRnnqtw1lkRL6
Ha6Qd2rXAV+ftc5vL3K3TYojBz8HFigZtmJetjgY1/evk9XnRHtTaRBD6/ZrXtii
Rsa87O6RsoM7om9brPP8QW01/84nPSonJIIQtobLt0=
Signature Information:
v= Version: 1
a= Algorithm: rsa-sha256
c= Method: relaxed/simple
d= Domain: mail.example.com
s= Selector: dkim
q= Protocol:
bh= xp3gKk5P39UaB7IV9Rj58h82gFaIiEDAqCbmUtWe2Yo=
h= Signed Headers: content-type:content-type:mime-version:subject:subject
:message-id:to:reply-to:from:from
b= Data: s
ErbZFhFhPQjrOz2dH2RlYMAaN0oUKT7SBJe/bQg5Uxq86VHr7HkHRnnqtw1lkRL6
Ha6Qd2rXAV+ftc5vL3K3TYojBz8HFigZtmJetjgY1/evk9XnRHtTaRBD6/ZrXtii
Rsa87O6RsoM7om9brPP8QW01/84nPSonJIIQtobLt0=
Public Key DNS Lookup
Building DNS Query for dkim._domainkey.mail.example.com
Retrieved this publickey from DNS: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIbe1WBW7hf4IbeW8acNXKzi6uQb2UXagkJoLWqGqLaXbnrLmwEjgxzoJQRR7iLq4/niGmI76Nzbc0aASTGYRdAK62/Enjove3W70vl92VSgGy1Tm0oZ+9/4+Z8qLiwikPs+HL961CshehcAMu1aLnVSyMwe77pOlf6ZPG7Lxj5QIDAQAB
Validating Signature
result = fail
Details: bad RSA signature下面是/etc/opendimk.conf:
# Log to syslog
Syslog yes
# Required to use local socket with MTAs that access the socket as a non-
# privileged user (e.g. Postfix)
UMask 002
Domain mail.example.com
KeyFile /etc/dkimkeys/dkim.key
Selector dkim
# Commonly-used options; the commented-out versions show the defaults.
#Canonicalization simple
#Mode sv
#SubDomains no
OversignHeaders From
TrustAnchorFile /usr/share/dns/root.key因为我使用像johndoe@mail.example.com这样的子域发送电子邮件,会有什么问题吗?
发布于 2017-09-20 07:34:01
问题在于 opendkim 没有监听指定的套接字;后缀无法到达opendkim,因此电子邮件没有签名。
https://stackoverflow.com/questions/46286587
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