Git/email-toolbox-wiki
1
0
Fork 0
mirror of https://github.com/internetstandards/toolbox-wiki.git synced 2024-11-23 19:41:37 +01:00
Code Issues Packages Projects Releases Wiki Activity

Updated SPF how to (markdown)

Browse Source
This commit is contained in:
Dennis Baaten 2019-05-20 16:26:39 +02:00
parent 423f1f8de0
commit dc69833a4d
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
SPF-how-to.md
View File

@ -9,6 +9,8 @@ Our current e-mail infrastructure was originally designed for any mail sending h
# Tips and tricks for implementation
* The sender address shown to the user ("5322.From header") is not used when authenticating. SPF uses the invisible "5321.From header". Combining SPF with DMARC removes this disadvantage.
* E-mail forwarding is not supported, since the e-mail is often forwarded by another e-mail server.
* SPF does not work between domains that use the same e-mail server.
# DNS records (outbound e-mail traffic)
SPF for outbound e-mail traffic is limited to publishing an SPF policy as a TXT-record in a domain name's DNS zone. This enables other parties to use SPF for validating the authenticity of e-mail servers sending e-mail on behalf of your domain name.