Questions tagged [rspamd]

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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. ...
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1answer
21 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-...
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70 views

OpenSMTPD and Rspamd won't sign my emails

I host a OpenBSD machine with a mail server and recently started noticing that Google is mailing me on a daily basis because my e-mails are not passing the DKIM test which I tested and worked in the ...
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76 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 ...
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1answer
201 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 ...
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1answer
251 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 ...
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2answers
312 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, ...
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1k views

SOLVED - Postfix - “Server configuration error.”

Solved, Postfix wasn't finding hash:/etc/postfix/roleaccount_exceptions. I'm getting this error in my mail log: Feb 29 21:06:14 mail postfix/smtpd[29464]: NOQUEUE: reject: RCPT from mail-...
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1answer
56 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 ...
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1answer
588 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... ...
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1answer
241 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.
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273 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 ...
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2answers
954 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 ...
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1answer
455 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 user@domain1.com sending as user@domain1.com or somebodyelse@domain1.com ...
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1answer
2k 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 ...
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1answer
2k 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 someone@hotmail.com so I certainly don't want to whitelist the whole hotmail.com domain since it is the ...
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2answers
543 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?
3
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1answer
239 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 ...
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2answers
2k 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 ...
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0answers
137 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 ...
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1answer
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 ...
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0answers
94 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 ...
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1answer
403 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 ...
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0answers
164 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 ...