Questions tagged [spamassassin]
SpamAssassin is a computer program released under the Apache License 2.0 used for e-mail spam filtering based on content-matching rules.
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Is SRS rewriting absolutely necessary for a forwarding mailserver?
I am operating a Postfix email server for my domain, say mydomain.com. It mostly acts as a forwarding email server: users receive an email address @mydomain.com, but usually elect to have their ...
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Using fake MX records to combat spam
I have a client that is getting heavily spammed.. It's the 15th of the month and POP3 bandwidth is almost 100 GB. There are only 7 e-mail accounts on this domain. I installed SpamAssassin set it to 5 ...
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Spamassassin flagged something as spam that is not spam. How do I tell it so?
This is sort of a general question about training spamassassin. I have a newly set up mailserver which filters incoming mail through spamassassin. I recently got a flight reservation flagged as spam (...
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How to minimise SpamAssassin (spamd) memory use
I'm using SpamAssassin on Debian (the default configuration with Pyzor, AWL and Bayes disabled, and sa-compile enabled), and each of the spamd child processes consume around 100 to 150MB of memory (...
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Is there any alternative to SpamAssassin? [closed]
I'm looking for an alternative to Spamassassin. Anyone tried rspamd ?
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How can I reduce the damage of stolen mail accounts?
Currently I’m offering some webhosting to a few advertising agencies for their premium customers. But currently I have a great problem with the E-Mail Service. In the last week, the E-Mail Accounts of ...
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How do I prevent the SPF_HELO_NONE warning when sending from Postfix?
When using a tool like https://dkimvalidator.com/ to verify configuration of DKIM, SPF, DMARC, etc. for sending mail from a web server, I get a warning like this:
0.0 SPF_HELO_NONE SPF: HELO does not ...
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Mail with DKIM Signature gets T_DKIM_INVALID flag by SpamAssassin
I've installed a Debian (jessie) box with postfix and spamassassin. Configured and everything works fine.
Except receiving mails with DKIM signatur will produce a flag T_DKIM_INVALID even if the ...
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Recommended way to implement Postfix 'before-queue' SpamAssassin filtering?
After some discussions with colleagues and the relevant depts. in my office, I have come to the conclusion that for my Postfix server, I must implement a before-queue filtering. The reason is that ...
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How to edit bad word filter in SpamAssassin?
How can I add several custom "bad" words into SpamAssassin, so emails that contains that words are marked as a spam?
UPDATE
one of the keys is to edit file /etc/mail/spamassassin, and to add badword ...
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AMaViS: missing X-Spam-Status header
I set up a mail server with Dovecot, Postfix and AMaViS on Debian Squeeze following the tutorial on workaround.org (ISPmail tutorial for Debian Squeeze). It uses virtual domains and stores the domains,...
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Spamassassin, Dovecot and Postfix: Move spam to folder
I am trying to move Spam detected by spamassassin automatically to the Junk folder on Debian Jessie.
I installed Spamassassin and edited the configs:
local.cf (spamassassin folder)
rewrite_header ...
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SpamAssassin: avoid FREEMAIL_REPLYTO on Contact Form
Suppose: someone fills out my contact form on www.example.com/contact/.
My server-side script sends this information to a sales person at the organization.
To make SPF work, I set the "From" as ...
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Is there a way to get spamassassin to score the top lines of a message body more heavily?
A lot of spam is getting through the filter on the mail server I run with the relatively simple trick of starting with few lines of (incredibly obvious) weight loss or other scam text at the top, ...
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I need advices: small memory footprint linux mail server with spam filtering
I have a VPS which is originally destined to be a webserver but some minimal mail capabilities are needed to be deployed as well, including sending and receiving as standalone server.
The current ...
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Spamassassin logging scores
I have the Spamassassin 3.4 + Ubuntu 14 + Qmail + Clamav.
All are running OK.
When a SPAM is detected, it is marked as [spam] and delivered to recipients.
Readind the spamd log (mail.log for me), I ...
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Is there a reason why DKIM signs every mail twice [closed]
I've configured my postfix/amavisd-new/spam-assassin setup after this tutorial https://help.ubuntu.com/community/Postfix/DKIM. But now the problem is that all mails I send are double signed with two ...
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How to make spamassasin reject mail based on score?
I am running Linux with Postfix, Dovecot, Postgrey and spamassasin/spamd.
This is my main.cf
smtpd_recipient_restrictions = permit_sasl_authenticated,
...
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Why would Spamhaus continue to add an IP to the CSS when that IP hasn't sent email recently?
For the last six months I have been locked in battle with the Spamhaus CSS SBL, having to regularly check if the IPv6 address of my Exim4 server has been listed and, if it has, manually delisting it. ...
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Spamassassin: Bypass /etc/resolv.conf DNS for querying DNSBL?
Question
Is there a way to let spamassassin bypass my linux system's dns servers to query DNSBLs?
Background Info
When my Server receives email, it is checked by spamassassin. One of this checks ...
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Enabling Bayesian filter with amavisd-new + Spamassassin
I run a Postfix mailserver on CentOS, and am trying to enable Spamassassin's bayes filter, but I seem to be missing something.
We're running amavisd-new 2.9.1:
Name : amavisd-new
Arch :...
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Let Postfix handle spam in two ways
I've got postfix setup so that mail coming in from smtpd is automatically filtered through spamassassin (which reinjects it into the mailqueue with added headers)
Now I want to do 2 things with ...
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Stop Outgoing Spam Already Tagged as Spam
I run a Postfix server with Amavis and Spamassassin among other things. Postfix receives mail from the outside world and passes it on to Amavis. Amavis has Spamassassin rate the mail, and then tags it ...
me
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Amavis / spamassassin setup, how to disable quarantine and get default spamassassin behavior back?
I've set up my first mail server that uses amavis. First off, I don't really see the point in amavis if I don't care about viruses. I don't use clamav as it's a huge RAM hog. SpamAssassin has worked ...
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amavis cronjob throwing an error out of nowhere
Can someone explain why amavis cronjob is suddenly trowing the following error?
Cron <amavis@bee> test -e /usr/sbin/amavisd-new-cronjob && /usr/sbin/amavisd-new-cronjob sa-sync
rules: ...
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Valid DKIM but "body hash did not verify" error on Outlook / Hotmail / Live?
Why do I get dkim=fail (body hash did not verify) on Outlook / Hotmail / Live when I have a valid DKIM setup in place?
I've made sure that my SPF, DKIM, DMARC records are set up correctly and the ...
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Automatically rescan email with SpamAssassin after it has been received
For the past months, the amount of spam I've been receiving has been driving me crazy. Despite running SpamAssassin (with RBL checks) on my Exim4 mailserver, a lot of it has been finding its way to ...
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How to reject/detect emails claiming to be from my own domain?
We have following e-mail topology:
Exchange server --------- Sendmail server ---------------Internet
On sendmail server there is no any user mailbox and messages with sender address [email protected]....
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Spamassassin: store bayes per user in mysql (with amavis)
I use postfix (mysql virtual users) + amavis + spamassassin and configured spamassassin to use mysql for storing the bayes data:
use_bayes 1
bayes_auto_learn 1
...
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postfix skip spam checks for authorized SMTP
Is there any way to configure postfix to skip spam/antivirus checks for those smtp connections that are SMTP-AUTH'ed? I would like to keep all the standard checks for external smtp traffic, but for my ...
user8677
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Prevent outgoing spam
What are some ways to prevent spam from leaving your servers should a hosting account get compromised?
Have a bunch of clients on a server with cpanel but wondering if there was a way to just ...
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SpamAssassin: HTML_IMAGE_ONLY_XX
Spam Assassin is flagging my messages for the following violation:
1.6 HTML_IMAGE_ONLY_24 BODY: HTML: images with 2000-2400 bytes of words
It seems to be telling me, literally, that:
My ...
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how to specify a partial domain in blacklist with SpamAssassin
is there a way to specify a partial domain in the spamassassin blacklist?
I get spam from something like [email protected] but I also get junk from [email protected]. if I specify @.xyz ...
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What to do with SpamAssassin after installing Amavis?
As far as I know, Amavis has SpamAssassin on his own (I think Perl Mail::SpamAssassin).
Before installing Amavis, I was using SpamAssassin binary and daemon (spamc and spamd) plugged into MTA (...
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Workaround SpamAssassin Y2K10 Bug (Mac OS X Server)
Bug Report: https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6269
It turns out that SpamAssassin is adding a score of 3.2 (FH_DATE_PAST_20XX) to all email going through my mail server (Mac OS X ...
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How to match Japanese in spamassassin?
I live in Japan. Recently there has been a lot of spam coming from China with messages written in Chinese. As spamassassin does not contain rules for Chinese, most of those emails pass with low score.
...
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Using razor2 with spamassassin
I have installed and configured razor2 according to official doc including editing the v310.pre config file in spamassassin folder.
I ran both of the following commands with success (both indicated ...
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Blocking, filtering or reducing "tabloid" spam (emails that bypass Spam Assasin)?
In the past few weeks, we've been hit hard by a new class of spam email (or at least new to me/us). I'm calling it "tabloid spam" because they send supermarket-tabloid headlines with tabloid copy, ...
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Why does gmail flag my server emails as spam?
I recently moved my server to a new slice at slicehost and since, gmail has been flagging my email as spam. I have added domain keys, created a SPF record, have reverse dns setup, and my ip is not ...
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How to modify a message, so it will be for 100% recognizable as spam by Exchange junk e-mail filter
I have an sendmail server, sitting in front of my Exchange server. This server filters spam with SpamAssassin (and does it incredibly well!), but it merely tags spam messages with appropriate header ...
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What is a valid target for Spam Assassin's sa-learn?
I'd like to train my Spam Assassin with some spam that it's missed, however I'm confused. With sa-learn I could target:
raw message
text-message (body)
html (body)
What one of those options is this ...
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How to stop backscatter email spam
I know I can't do anything about people spoofing my email address, but what can I do about all those annoying bounce-mails?
I get 5-10 "Undeliverable mail" a day, but I don't know how I can filter ...
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Why do SpamAssassin and Razor2 penalize for specific domain name in HTML body?
We are an ESP provider from Czech Republic, Europe. Our clients are regular Czech companies with their own client database. Since yesterday, we have a problem with our domains used in emails for ...
user3283481
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amavis + SA not marking messages as spam
I'm running Postfix + amavis + SpamAssassin. Messages are coming through just fine, and they're getting X-Spam-Score as I would expect, along with X-Spam-Status values, implying that SA is doing ...
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Spamassassin RDNS_NONE matches, but there is a RDNS
I got a a little problem - spam assassin's RDNS_NONE-rule matches on my outgoing mails but there is a RDNS set for all hosts, that are in the delivery-chain.
If I send an Email to "receipient-...
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Email Deliverability on Yahoo is very poor. Any suggestions please? [duplicate]
All other ISPs (Google, AOL, Hotmail) are fantastic, hitting 98-100% in the inbox. Yahoo is very random, and lately our deliverability has dropped drastically. All IPs are senders certified by Return ...
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Delivered to internal network by a host with no rDNS
Recently our emails started going to spam for recipients at Gmail and Yahoo mail.
I ran a SpamAssassin test, and have found the following:
pts rule name description
0.0 ...
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SPF issue with SpamAssassin
I have an internal management app for a small company, written in Python and running on a Linode VPS, with which users can send occasional emails to their customers. The emails are quite ...
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SpamAssassin doesn't appear to be 'learning' from forwarded examples of spam
I have spamtrap@ and hamtrap@ addresses set up on my mail server and forward examples of spam to the spamtrap address. I was hoping that after a few examples, SpamAssassin would 'learn' to identify ...
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How to find a reason why a email is marked 3.5 BAYES_99 BODY
I am trying to find out why my messages getting marked in http://isnotspam.com with a 3.5 BAYES_99 BODY score. It is nice that the report shows "SpamAssassin Check : ham (non-spam)" However, ...
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