Questions tagged [rspamd]

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Rspamd + Redis: Is it necessary to persist Redis database? If yes, how?

I am using rspamd and I have enabled Redis. To my understandind Redis is an in-memory key-value cache for volatile data. However, the rspamd documentation says that the Baysian classifier module uses ...
user2690527's user avatar
0 votes
1 answer
16 views

PigeonHole/Dovecot configuration for Sieve extension "Spamtest" with respect to "rspamd"

I try to configure the Sieve extension "Spamtest" (see Pigeonhole Sieve: Spamtest and Virustest Extensions) for rspamd. Rspamd is configured to add the extended mail header (...
user2690527's user avatar
0 votes
0 answers
65 views

rspamd and Apache reverse proxy: navigation does not work (fragments in URL have no effect)

I have set up Apache 2.4.57 and Rspamd 3.6 on Ubuntu 23.10. I have configured Apache as a reverse proxy to the controller worker of Rspamd. I can access to Web UI of Rspamd, enter a password and I ...
user2690527's user avatar
0 votes
1 answer
59 views

Postfix and rspamd: Disable bounce email

How do I disable non-delivery notification (bounce mail) in Postfix? I have setup Postfix 3.8.1 with rspamd 3.6. Spam filtering is working admin@host123456:~ $ wget http://spamassassin.apache.org/...
user2690527's user avatar
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23 views

Writing rules for rspamd to filter by email name and fuzzy score

The situation is as follows. There is whitelisted domain(ours) and we receive letter with the same addresses as ours but with phishing content. Since it's whitelisted it gets the low spam score. Fuzzy ...
Yolo Yolovich's user avatar
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0 answers
57 views

DMARC and Postfix delivery reports

I successfully set up DMARC, DKIM and SPF for my mailserver's domain, but delivery reports created by Postfix fail the DKIM/SPF tests. The headers of regular messages (sent via my mailserver) look ...
janeden's user avatar
  • 257
0 votes
1 answer
108 views

DKIM signing – duplicate header signing in DKIM-Signature

My e-mail messages are DKIM signed but I noticed that the DKIM-Signature header contains duplicated header indicators like: h=from:from:subject:subject:date:date:message-id:message-id:to:to: […] and ...
silverdr's user avatar
  • 101
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0 answers
105 views

Config Wizard error in Rspamd on dkim step in Debian Bullseye

Using fresh Debian 11.7 installation I’m trying to setup RSpamd using configwizard, but in the last step of building the private key I got the following error: Do you want to create privkey /var/lib/...
MaxMil's user avatar
  • 101
1 vote
1 answer
125 views

Rspamd : Blacklists not working consistently

RSPAMD 3.5.2 Using the multimap module I am rejecting certain email addresses via a blacklist: multimap.conf blacklisted_addresses { description = "Blacklisted addresses"; type = &...
Aditya K's user avatar
  • 923
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82 views

How to apply a ratelimit in rspamd using a selector that matches the sender with domains from a list?

I have created a map UNPOLITE_SENDERS_MAP { type="selector"; symbol="UNPOLITE_SENDER" selector = 'from("smtp","orig"):domain.get_tld'; score = ...
João Silva's user avatar
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59 views

migrate learned ham/spam from rspamd to SpamAssassin

As whitelisting by sender domain is very unreliable in rspamd and the developer on GitHub doesn't give a damn (the post in discussion is only being ignored, opening an issue for it since it clearly ...
Richard Rosner's user avatar
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0 answers
127 views

rspamd SPAMTRAP module cannot add fuzzy rules

I like to use the rspamd Spamtrap module, but it seems it cannot add rules for fuzzy matches. I get the following error call to (SPAMTRAP_CHECK) failed (2): /usr/share/rspamd/plugins/spamtrap.lua:54: ...
allo's user avatar
  • 1,683
0 votes
4 answers
921 views

rspamd Whitelis/Blacklist per domain before filtering

since I'm sadly not getting any responses in rspamd's GitHub discussion board, maybe someone here has experience with rspamd prefilter mode. I'm trying to get rspamd to accept any mail coming from a ...
Richard Rosner's user avatar
1 vote
0 answers
101 views

Include matching rspamd rules in mail headers

Spamassassin has a feature to include the matching rules in the headers of mails flagged as spam, so one can see why the mail was classified as spam and possibly adjust or create mailbox filters that ...
allo's user avatar
  • 1,683
0 votes
2 answers
504 views

How to disable the default RBLs used by rspamd?

I'd like to use an RBL in rspamd without using all the preconfigured RBLs, but it seems that the configuration in /etc/rspamd/local.d/rbl.conf can only add new lists, not remove the default ones. The ...
allo's user avatar
  • 1,683
1 vote
1 answer
568 views

Restart rspamd.service as non-root user

I have webpage with button, when user clicks on button, script restart.sh on server is executed. This script contains: #!/bin/bash systemctl restart rspamd.service After clicking on the button, ...
MTC11's user avatar
  • 11
0 votes
1 answer
732 views

rspamd statistic autolearn configuration

I placed the sample configuration for autolearn from /etc/rspamd/statistic.conf in /etc/rspamd/local.d/classifier-bayes.conf: autolearn { spam_threshold = 6.0; junk_threshold = 4.0; ...
janeden's user avatar
  • 257
3 votes
1 answer
1k views

Why does rspamd consider an odd number of URIs in an email to be an indicator of spam?

Rspamd has many email spam heuristics, and one of them is URI_COUNT_ODD. This heuristic seems to just count how many URIs are in the body of the email, and adds 1 to the score if the number is odd. ...
kuilin's user avatar
  • 139
0 votes
1 answer
180 views

Learn forwarded E-Mails as Spam if rejected by the receiving external MTA

When having E-Mail addresses that are setup only as forwarding (with SRS) to an external E-Mail address it could happen that the spam filter (rspamd) of my mail server does not classify the incoming E-...
t.niese's user avatar
  • 121
0 votes
0 answers
248 views

Rspamd with Redis and security on a shared server

I'm considering switching from SpamAssassin to Rspamd as everybody raves about it. The feature set like improved bayes filtering and easy greylisting sounds interesting. There's a catch though: Rspamd ...
ygoe's user avatar
  • 133
1 vote
1 answer
843 views

Postfix refuses to connect to rspamd on CentOS

I have my mailserver setup configured based on this guideline (German), with the possibly important detail that I use CentOS 8 as a base OS instead of Debian. Everything works fine, except that I ...
dlkmp's user avatar
  • 11
1 vote
1 answer
1k views

How to correctly read the burst and rate for Rspamd Ratelimit?

What is the following rate limit bucket means in /etc/rspamd/local.d/ratelimit.conf? bucket = [{ burst = 10; rate = "30 / 1min"; }] Does it mean like the ...
busythomas's user avatar
0 votes
2 answers
622 views

new email server configured, Postfix, Dovecot, MariaDB, Rspamd and Redis the main components, on Arch, can't send or receive mail

Dovecot reports logins when trying to send (via T'bird). One of the online email testing sites reported: Server 'HELO' line: 220-mail.mydomain.tld ESMTP Postfix so we know the SMTP service is ready, ...
Mike's user avatar
  • 1
0 votes
1 answer
3k views

Postfix - "Server configuration error."

I'm getting this error in my mail log: Feb 29 21:06:14 mail postfix/smtpd[29464]: NOQUEUE: reject: RCPT from mail-vi1eur05olkn2106.outbound.protection.outlook.com[40.92.90.106]: 451 4.3.5 nicolo@...
Nicolò's user avatar
  • 25
0 votes
1 answer
138 views

rspamd redis sentinel time out

Since some time we are running rspamd and redis (and sentinel) with a separate DB for most modules. Data seems to be written to the databases but for some reason we get errors like "cannot get masters ...
Lars's user avatar
  • 1
0 votes
1 answer
1k views

postfix server on VM - mail relay

I've setup a mail server according to this setup: https://thomas-leister.de/en/mailserver-debian-stretch/ The documentation itself looks quite good to me - is well explained and seems to work... ...
Alexander's user avatar
  • 111
0 votes
1 answer
895 views

override RSPAMD_URIBL for single domain?

I am using rspamd (under mailcow-dockerized) I disagree with a domain RSPAMD_URIBL marks as spam. Is there a way for me to override this domain only? I am in control of a DNS-server.
Lenne's user avatar
  • 987
2 votes
0 answers
646 views

Why/When are some rejected mails not listed in rspamd history

I am seeing mails which are greylisted/rejected by rspamd according to the postfix log which are not shown in rspamd's GUI history. I have two questions: Which are the general cases when mails are ...
wedi's user avatar
  • 398
0 votes
2 answers
2k views

UFW is blocking mailserver traffic (dovecot, postfix, MariaDB, Rspamd)

As described in the title, I am running a dovecot/postfix/Rspamd Mailservercombo with a MariaDB behind it. I noticed how, in the last days, I couldn't receive/send any mail from my e-mail clients ...
Art3mis's user avatar
2 votes
1 answer
922 views

DKIM on aliased domains with rspamd and postfix

I'm having trouble DKIM signing my outgoing emails when they're sent from an alias domain. That is, when I'm authenticated with [email protected] sending as [email protected] or [email protected] ...
Arthur Alkmim's user avatar
1 vote
1 answer
5k views

RSPAMD + DKIM Signing: How to be able to use a single DKIM Key for multiple domains?

I was able to setup a Single DKIM Key for multiple domains with OPENDKIM by using their KeyTables and SigningTable. But since the company started to use RSPAMD, I could not use OPENDKIM along with ...
busythomas's user avatar
3 votes
1 answer
5k views

How to whitelist individual email address with rspamd

How can a specific from address be whitelisted using rspamd? The address I have in mind is [email protected] so I certainly don't want to whitelist the whole hotmail.com domain since it is the ...
mbrampton's user avatar
  • 331
2 votes
2 answers
1k views

Back up Rspamd Spam/Ham databases

I use Rspamd to filter my emails from spam. The spam filter has already been trained with more than 300.000 emails. Is there a way to save this "knowledge" or transfer it to another system?
br0ken.pipe's user avatar
4 votes
1 answer
517 views

postfix + rspamd: postfix does not resolve virtual alias

I have a postfix mail server based on Arch Linux. I used the usual configuration: mysql virtual_* (mailbox, alias, domain) and amavisd filtering (content_filter = smtp-amavis:[127.0.0.1]:10024). I ...
Laszlo Malina's user avatar
2 votes
2 answers
3k views

Postfix - Rspamd + amavis

Currently I have Postfix with Amavis, Spamassassin, Clamav and all the bells and whistles up and running. I would like to add RSpamd to the configuration, I don't want to replace Amavis, just keep ...
InToSSH's user avatar
  • 45
1 vote
0 answers
272 views

rspamd mx_check module flags all mx as invalid

I am currently installing rspamd 1.7.9 on a Debian 9 server. Everything is working except the mx_check module. It always results in MX_INVALID. I already tried increasing the timeout, but I don't ...
MuhKuh's user avatar
  • 151
4 votes
1 answer
2k views

Do not reject mails with rspamd 1.7+

I want to gradually fade out my spamassassin setup, replacing it with rspamd and I am currently one step away from activating the milter that will actually forward mails to my rspamd instance. Before ...
tr9sh's user avatar
  • 231
1 vote
0 answers
150 views

rescore spam corpus with rspamd

I recently tried to rescore my spam/ham corpus with rspamds rescoring mechanism (see the example in "Corpus test and rescore tool"), but unfortunately this ends in a runtime error. My current minimal ...
tr9sh's user avatar
  • 231
1 vote
1 answer
734 views

Postfix - Send spam to different email address

I've researched for an answer to this question and can't find anything. I have Postfix running on Debian Stretch. I will soon be setting up Rspamd. Here's the logic of what I want to have happen ...
pkSML's user avatar
  • 191
2 votes
0 answers
367 views

How is an SMTP-Client supposed to behave if he receives an Error from the Server?

Consider the following SMTP-Session: 220 mx.example.com ESMTP Postfix EHLO example.com 250-mx.example.com 250-PIPELINING 250-SIZE 10240000 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME ...
Subito's user avatar
  • 388