Merge pull request #179 from dragoangel/patch-5
Update u_e-rspamd.md
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@ -78,6 +78,35 @@ Save the file and then restart the rspamd container.
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See [Rspamd documentation](https://rspamd.com/doc/index.html)
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## Custom reject messages
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The default spam reject message can be changed by adding a new file `data/conf/rspamd/override.d/worker-proxy.custom.inc` with the following content:
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```
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reject_message = "My custom reject message";
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```
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Save the file and restart Rspamd: `docker-compose restart rspamd-mailcow`.
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While the above works for rejected mails with a high spam score, global maps (as found in "Global filter maps" in /admin) will ignore this setting. For these maps, the multimap module in Rspamd needs to be adjusted:
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1. Open `{mailcow-dir}/data/conf/rspamd/local.d/multimap.conf` and find the desired map symbol (e.g. `GLOBAL_SMTP_FROM_BL`).
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2. Add your custom message as new line:
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```
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GLOBAL_SMTP_FROM_BL {
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type = "from";
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message = "Your domain is blacklisted, contact postmaster@your.domain to resolve this case.";`
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map = "$LOCAL_CONFDIR/custom/global_smtp_from_blacklist.map";
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regexp = true;
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prefilter = true;
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action = "reject";
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}
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```
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3. Save the file and restart Rspamd: `docker-compose restart rspamd-mailcow`.
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## Whitelist specific ClamAV signatures
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You may find that legitimate (clean) mail is being blocked by ClamAV (Rspamd will flag the mail with `VIRUS_FOUND`). For instance, interactive PDF form attachments are blocked by default because the embedded Javascript code may be used for nefarious purposes. Confirm by looking at the clamd logs, e.g.:
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