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Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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17-12
Cisco AsyncOS 8.0.1 for Email User Guide
 
Chapter 17      Email Authentication
  Configuring DomainKeys and DKIM Signing
To avoid this scenario, it is recommended that you use double quotes to break up the multi-string DNS 
text record into smaller strings not exceeding 255 bytes. The following is an example.
s._domainkey.domain.com. IN TXT "v=DKIM1;" 
"p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQE"
"A4Vbhjq2n/3DbEk6EHdeVXlIXFT7OEl81amoZLbvwMX+bej"
"CdxcsFV3uS7G8oOJSWBP0z++nTQmy9ZDWfaiopU6k7tzoi"
"+oRDlKkhCQrM4oP2B2F5sTDkYwPY3Pen2jgC2OgbPnbo3o"
"m3c1wMWgSoZxoZUE4ly5kPuK9fTtpeJHNiZAqkFICiev4yrkL"
"R+SmFsJn9MYH5+lchyZ74BVm+16Xq2mptWXEwpiwOxWI"
"YHXsZo2zRjedrQ45vmgb8xUx5ioYY9/yBLHudGc+GUKTj1i4"
"mQg48yCD/HVNfsSRXaPinliEkypH9cSnvgvWuIYUQz0dHU;" 
DKIM implementations reassemble DNS text records broken down this way into the full original single 
string before processing them.
Testing Domain Profiles
Once you have created a signing key, associated it with a domain profile, and generated and inserted the 
DNS text into your authorized DNS, you can test your domain profile. 
Procedure 
Step 1
Choose Mail Policies > Signing Profiles.
Step 2
In the Domain Signing Profiles section, in the Test Profile column, click the Test link for the domain 
profile. 
Step 3
A message is displayed at the top of the page, indicating success or failure. If the test fails, a warning 
message is displayed, including the error text.
Exporting Domain Profiles
All domain profiles on the appliance are exported together in a single text file. 
Procedure 
Step 1
Choose Mail Policies > Signing Profiles.
Step 2
Click Export Domain Profiles. 
Step 3
Enter a name for the file and click Submit.
Importing Domain Profiles
Procedure 
Step 1
Choose Mail Policies > Signing Profiles.
Step 2
Click Import Domain Profiles.