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adding note about keys on multiple line

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mchamplain 2019-10-27 01:37:42 -04:00
parent 37966e425d
commit c755c763f5
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docs/content/config/best-practices/dkim.md
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@ -30,6 +30,16 @@ mail._domainkey IN TXT ( "v=DKIM1; k=rsa; "
4. In `TTL` (time to live): Time span in seconds. How long the DNS server should cache the `TXT` record.
5. Save.
Note: Sometimes the key in `config/opendkim/keys/domain.tld/mail.txt` can be on multiple lines, if so then you need to concatenate the values
```
; OpenDKIM
mail._domainkey IN TXT ( "v=DKIM1; k=rsa; "
"p=AZERTYUIOPQSDF..."
"asdfQWERTYUIOPQSDF..." ) ; ----- DKIM key mail for domain.tld
```
the target (or value) field must then have all the parts together `v=DKIM1; k=rsa; p=AZERTYUIOPQSDF...asdfQWERTYUIOPQSDF...`
## Verify-only
If you want DKIM to only verify incoming emails, the following version of /etc/opendkim.conf may be useful (right now there is no easy mechanism for installing it other than forking the repo):