Here de dkim test:
WORK :
DKIM Signature
Message contains this DKIM Signature:
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=ptpexpert.fr; h=message-id
:from:date:to:subject:mime-version:content-type
:content-transfer-encoding; s=private; bh=/edzoYuyn17WXm8KeqcX/R
+khdQ=; b=hbya5yGCIslNrEVLgID8jPMsMpEgr3xBwwLqThwN/qySsHbiSDmJbN
AKso70fWMGhPC7o9rs9P0rl2N3r7RiPSTllUy08Si/DAVNLgXGu3u0lKeaTs38Io
ewJhA6+KoX9NV4LRodsFtay/8gQZmSbSNfxTthzAcmDWkg5kdovgk=
Signature Information:
v= Version:
a= Algorithm: rsa-sha1
c= Method: nofws
d= Domain: ptpexpert.fr
s= Selector: private
q= Protocol: dns
bh=
h= Signed Headers: Received:Message-ID:From:Date:To:Subject:User-Agent:MIME-Version:Content-Type:Content-Transfer-Encoding
b= Data: UNtMaaR8PnwBhgzenTPM8MgJ6GgOq18azLFrq2rmrrkusg3Xo2mg/0PJbH0hXmB4+rZr7s8WxbVa6rmKPjdxe8yP0zspNHzKF6mr8QqN8+5NF45asR68b3baro0ahM9wA7paK71B5oy0Yn3OtjBJFzpZ1ee5Yh9JtQEgiw4B94I=
Public Key DNS Lookup
Building DNS Query for private._domainkey.ptpexpert.fr
Retrieved this publickey from DNS: v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCs6sSAiR0Za+zkimvfJpXdiSBxR9DDoTciWfltQQoY4KIhyRwKFQoc7AdtpT6Zh6K1ZIa94dUPHDDbXinakIEu4bOHKS0L6UuB8c1yjHDTlvezpB0/be1EHCDrp3AkrlcAgbQNek/Xs9Qy1s7dLcDAfpFO/H5HnGzA3HtLC+OrowIDAQAB
Validating Signature
result = pass
SPF Information:
Using this information that I obtained from the headers
Helo Address = serveur.ptpexpert.fr
From Address = root@serveur.ptpexpert.fr
From IP = 164.132.198.12
SPF Record Lookup
Looking up TXT SPF record for serveur.ptpexpert.fr
Found the following namesevers for serveur.ptpexpert.fr:
Retrieved this SPF Record: zone updated 20160307 (TTL = 21061)
Using local nameserver for SPF resolution. This will probably be cached!
Result: pass (Mechanism 'a' matched)
Result code: pass
NOT WORK :
DKIM Information:
DKIM Signature
Message contains this DKIM Signature:
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=ptpexpert.fr; h=message-id
:from:date:to:subject:mime-version:content-type
:content-transfer-encoding; s=private; bh=Ef0BvkT+DZAk0h2hXiuPGJ
e/0vI=; b=fPui0DJD+ZCxMuCjMOdvEbw97vhfyZNCzolpaScADYPr0PLpG5AjFh
1+C4TL4vwqRcU30+zN+5edO/xHsFqYWySLhme7X70dz/rvscmw/edlGsmGQReJdZ
dfeNLUOXV4iUgj/F3ZKFkV3BwzQcegaWGkpPNm8rB1HOvgAPEMSLA=
Signature Information:
v= Version:
a= Algorithm: rsa-sha1
c= Method: nofws
d= Domain: ptpexpert.fr
s= Selector: private
q= Protocol: dns
bh=
h= Signed Headers: Received:Message-ID:From:Date:To:Subject:User-Agent:MIME-Version:Content-Type:Content-Transfer-Encoding
b= Data: afdv8LKoEG4yGJgksBymikXKgvZu05LikPtTGwWpjlwEwIo/rzmk4SklU+VpQg4qSwLvFvf0fxYHYTchCiK258luW83jnQ1jVtqpstTfP7vBQYF6OO+YK5EA0uFZe4t98H8Ogljd22TIJpEHMVy8qjvcV2kVeglG4YCp1q7LUmU=
Public Key DNS Lookup
Building DNS Query for private._domainkey.ptpexpert.fr
Retrieved this publickey from DNS: v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCs6sSAiR0Za+zkimvfJpXdiSBxR9DDoTciWfltQQoY4KIhyRwKFQoc7AdtpT6Zh6K1ZIa94dUPHDDbXinakIEu4bOHKS0L6UuB8c1yjHDTlvezpB0/be1EHCDrp3AkrlcAgbQNek/Xs9Qy1s7dLcDAfpFO/H5HnGzA3HtLC+OrowIDAQAB
Validating Signature
result = fail
Details: message has been altered
After some test, i detect that problem is about accent in body message in ISO.
There are no problem when i send email in UTF8 by webmail.
So i think problem come from accent in iso but i don't know how to solve the problem.