editor
471
edits
Spam Checking: Difference between revisions
Interaction between Spam checking and Sieve filtering
mNo edit summary |
(Interaction between Spam checking and Sieve filtering) |
||
| (11 intermediate revisions by 2 users not shown) | |||
|
<indicator name="Faults">[[File:Menu-emailadd.svg|link=:Category:Email_Features|30px|Back up to the Email Features Category]]</indicator>
This page will outline the main spam checking systems we have which apply to incoming email we manage for our customer domains. This is not an exhaustive list of checks and processes.
=Spam detection=
*Rspamd.
Both of these will assign a 'spam score' to the message. We will then use the
===Spam score options===
Once a message has been processed by the spam engines the message will then be subject to one of three options:
* Non-spam - accept
* Medium-scoring Spam - accept, but marked with ****SPAM
* High=scoring spam - rejected if possible, otherwise handled as per medium-scoring Spam
The score at which a messages is marked as spam or rejected can be set on the Control Pages on a per-Mailbox or per-Domain basis. The default score to mark as spam is 5, and to reject is 20.
We
Here are some examples:
{| class="wikitable"
|-
! Header
! Information
! example
|-
| X-Spam-Score
| The spam score
| 2.1
|-
| X-AA-Spam-Rspamd-Score
| The spam score from Rspamd
| 2.1
|-
| X-AA-Spamassassin-Score
| The spam score from Spamassassin
| 2.0
|-
| X-AA-Spam-Engine-Used
| Which spam checking engine we used to classify this message
| Rspamd or Spamassassin
|-
| X-Spam-Score-Int
| The spam score multiplied by ten, as an integer value
| 21
|-
| X-Spam-Bar
| The spam score represented by +'s. One for each point. Negative scores represented by -'s. Very small scores by /.
| ++
|-
| X-Spam-Flag
| Whether the message is classed as spam or not
| YES or NO
|-
| X-Spam-Report
| The list of rules that were used that made up the spam score
|
|-
| X-Spam-Report-Secondary
| The list of rules from the other spam checker we use
|
|}
| |||