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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2
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25 views

System reboot results in T_DKIM_INVALID spamassassin

I have installed and configured OpenDKIM in my Ubuntu 16.04 digitalocean vps and enabled the DKIM Plugin in SpamAssassin with loadplugin Mail::SpamAssassin::Plugin::DKIM in one of the .pre files ...
0
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0answers
30 views

Rule to check real recipient against “header to”

Analyzing spam not sorted out by SA I've noted a bunch of mails that were addressed to an email outside of my domains (by the "To:" header field), so obviously the "To:" doesn't match the "envelope-to"...
0
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0answers
41 views

SpamAssassin stops RBL DNS-based tests after some time

I faced the problem with my email server: too much junk mail because of failing DNS RBL (SURBL, URIBL) tests. I prepared test message with SURBL test URL and checked it with "spamassassin" binary and ...
0
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0answers
13 views

How do I configure SpamAssassin to automatically spam a message based on a header value?

I have an antispam appliance that is scanning all incoming email. It can quarantine or deliver the messages tagged with a "X-Spam: Yes" header (viruses are still scrubbed and quarantined). The ...
-1
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0answers
26 views

No encrypted email from my Postifix Dovecot mailserver

i'm desperate because don't reach to set my postfix to send encrypted email. The answer is always the same (using checking software like www.checktls.com): Your email was sent, however it was NOT ...
0
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0answers
48 views

How run script after spamc, use args in script and redirect spamc output to sendmail?

I'm trying to perform custom actions after spamassassin. I have working line in postfix master.cf spamassassin unix - n n - - pipe user=spamd argv=/usr/bin/spamc -e /usr/sbin/sendmail -oi -f ${sender}...
0
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0answers
62 views

How to get spamassassin working with postfix as a milter

I'm trying to get spamassassin working on Ubuntu 16.04 with postfix. When receiving mail, I get messages similar to the following in my logs: Jun 11 14:29:47 myhost postfix/smtpd[2387]: connect ...
0
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0answers
27 views

SpamAssassin blacklist address not getting blocked

We use Untangle spam-blocker, which is built on SpamAssassin. Here the address is question, which is already listed in our block.cf (located in /etc/spamassassin ): Individual blacklist_from ...
0
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0answers
11 views

Window server 2008 - set up DNS server just for email spam requests

We have a small office network and use SpamAssassin to help get rid of junk email. I've noticed that as our network uses an upstream DNS server all our spam checks to services like URIBL get blocked ...
0
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2answers
37 views

Service to test outgoing mail for SPF/DKIM/SRS validity?

We're setting up a redirection-based mail server with a lot of complex moving parts, including the standard ones that apply to everyone like SPF/TLS as well as the more complex ones needed to ensure ...
2
votes
1answer
60 views

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 ...
1
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0answers
52 views

spamassassin on plesk fails to add the score properly [closed]

I have a customer being bombed by spam on a supposedly spamassassin protected Plesk server. It's Centos 6, Plesk 12.5, spamassassin 3.3.1 The message was filtered and picked up this line in the ...
0
votes
0answers
23 views

Postfix reject mail with result of spamassasin content_filter

I have a running Mailserver using Postfix and Dovecot. I also configured spamassasin like in this tutorial. Spam is properly marked as such and apropriate headers are added. Now I want to reject the ...
0
votes
0answers
29 views

Can I use Spamassassin to classify text-only content?

I wish to know if I can use spamassassin classify text-only content? Right now I'm using the following command: spamassassin hello.txt But I'm getting the following warnings: 1.2 ...
1
vote
2answers
452 views

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 ...
0
votes
0answers
98 views

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 ...
0
votes
1answer
50 views

How do I tweak spamassassin scores on Ubuntu Server?

I'm wondering what's the right way to tweak scores for Spamassassin's builtin rules. I know how to edit /var/lib/spamassassin/3.004000/updates_spamassassin_org/ but that doesn't feel right - my ...
0
votes
2answers
137 views

Spamassassin does not start on ubuntu server

After installing Spamassassin on my Ubuntu server, it does not start and gives this error: : not found/spamassassin: 3: /etc/default/spamassassin: : not found/spamassassin: 6: /etc/default/...
0
votes
0answers
18 views

Web Attack: Mass Injection Website 19 [duplicate]

I got issue at Norton web safety (attached is the image) Can please any body tell me what cause this issue?
1
vote
1answer
709 views

Postfix block double extensions in archive attachment

These days I have problems with trojans in attachments like: //EZuS.zip//invoice_scan_xcFSuO.xls.js contains a potentially infected object HEUR:Trojan-Downloader.Script.Generic. //TuxX.zip//...
0
votes
1answer
15 views

Questions about domain blocking in SpamAssasin with * wildcards, etc

So, as of last week I've implemented a blocklist on our Untangle (which runs Apache SpamAssassin behind the scenes). For the most part it's working, but there is still some spam getting through that I ...
0
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0answers
46 views

mail.log file is growing too quickly

my mail.log file is currently growing out of all proportion. It's logged over 15Gb of content today and most of that seems to be down to spamassassin. There are a few questions that I can't ...
3
votes
2answers
158 views

Debugging spamassassin with postfix

I am trying to setup spamassassin milter on my postfix mail server. SpamAssassin Server version 3.4.1 running on Perl 5.20.2 with SSL support (IO::Socket::SSL 2.019) with zlib support (Compress:...
0
votes
1answer
47 views

Spamassassin and Dovecot mdbox Compatibility

So I'm thinking of using Dovecot's mdbox format for storing mail, however I'll also be using Spamassassin and need to be able to pass it a folder of e-mails for its filters to be applied to. Can this ...
0
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0answers
8 views

How do I whitelist a spam trigger in a SpamAssassin update channel?

Somehow one of our customer URLs seems to have gotten into some or all SpamAssassin rule sets that are distributed through update channels (we suppose). Mail provider that use Spamassassin mark all ...
3
votes
2answers
532 views

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 ...
0
votes
1answer
43 views

Scan outgoing Postfix email for spam with Spamassassin

Is there a way to filter outgoing Postfix email for spam possibly with Spamassassin? I found this answer about how to do it with Amavis but it's terribly outdated.
0
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0answers
110 views

SpamAssasin FSL_HELO_BARE_IP_2 and RDNS_DYNAMIC error

Why I got FSL_HELO_BARE_IP_2 and RDNS_DYNAMIC error from SpamAssasin? This message was send from an authenticated client (host02-4-dynamic.17-80-r.retail.telecomitalia.it) to a Exim4 server (srv1....
7
votes
3answers
222 views

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 ...
1
vote
1answer
41 views

Postfix: reject mail, but still deliver or archive in a folder for spam analysis

I'm using Postfix and Spamassassin, and Postfix is rejecting incoming mail that fall into spam rules. Mail are then forwarded to different relays based on many factors. Is there a way to archive ...
0
votes
4answers
687 views

Excessive emails are going into spam folder

Spam scores are above 5 (my threshold)! X-Spam-Status: Yes, score=5.924 tagged_above=-9999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_IMAGE_RATIO_02=0.805, HTML_MESSAGE=0.001, ...
3
votes
1answer
62 views

spamassassin tries to use /nonexistent even though its user has a valid home directory

I have a spamassassin daemon used by exim on a FreeBSD 9.3 System that tries to use /nonexistent for its temp files and bayes-filter storage. Passing the username or a home directory via the daemons ...
3
votes
1answer
26 views

spamassassin how to remove explanation and score breakdown in the message?

I have setup SpamAssassin in Windows (using the JamSoftware), created a service for spamd.exe and currently SpamAssassin works fine. However, I would like to disable the explanation that SpamAssassin ...
0
votes
1answer
61 views

Spamassassin + Gmail + Mbox

If I give sa-learn Maildir mails to train it as spam, it takes them without problems, but when trying to use a mbox file containing spam emails from my personal Gmail account (using https://takeout....
0
votes
1answer
18 views

SPAM data set, suitable for SpamAssasin or not?

I want to train my SpamAssasin filter, and I've downloaded all SPAM tars from January 2015 to November 2015 from that site: untroubled.org/spam/ Also, I've downloaded my ham and SPAM emails from my ...
1
vote
1answer
188 views

Email, forwarded by procmail, rejected by Gmail

EDIT Let's ignore for a while all that I have written below and refrase the question: If you have your own domain name and you want to get email for that domain into your Gmail inbox (not Google Apps)...
1
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0answers
28 views

EXIM - send message copy with big spam_score

I'm trying to setup mail relay. I want to send message copy with spam_score greater than SPAM_SCORE_THRESHOLD. But the rule is not working, and it send copies even with spam_score lower than ...
1
vote
1answer
151 views

Spamassassin error: spamd.sock does not exist

I am following a guide from arstechnica to install an email server on my web server. I'm not using Ubuntu as stated in the tutorial but CentOS 6. http://arstechnica.com/business/2014/03/taking-e-mail-...
-1
votes
1answer
57 views

How to improve spam protection using postfix? [duplicate]

I try to improve the spam protection of my postfix install for several weeks now, but I still receive spam. What I've done so far: Added SpamAssassin Added SPF record Tuned rejection rules Now I'...
1
vote
1answer
33 views

How to configure SpamAssassin to set Atlassian JIRA notifigations to white list?

I have problem Atlassian JIRA email notifications. These notifications come to deleted by SpamAssassin some reason. So I need to know how to confirgure SpamAssassin to but these notications to ...
1
vote
0answers
31 views

Kolab 3 outbound mails spam detection

I installed Kolab on a local server and I need a way to allow it to reject spam mails before they are sent. One method that I found is to install postfix and spamassassin in another server and ...
3
votes
2answers
165 views

Dealing with spam flood in Postfix + Amavis

I run a mail server for several thousand users. It uses Postfix + Amavis (with SpamAssassin + Clam). Most of the time it's a pretty happy setup, but from time to time we receive a flood of virus/...
0
votes
1answer
64 views

add DCC metrics header with MailScanner/SpamAssassin

I have a working MailScanner 4.85.2 installation that is using DCC and reporting spamassassin DCC rule scores. I'd like to have MailScanner or SpamAssassin add the DCC Metrics to a header. I cannot ...
0
votes
1answer
31 views

Postfix Email tracing, where is it now

I have searched for an explicit answer to this question and haven't yet found one. I am new to administering Postfix so please forgive my ignorance. Company A sends out an enormous amount of email on ...
1
vote
1answer
78 views

Postfix/Spamassassin can't determine rDNS too often

I am running a Debian 7.9 server with Postfix 2.9.6 and Spamassassin 3.3.2. One of the standard checks Spamassassin does, is to check for a rDNS record. I am assuming that it gets that info from the ...
-1
votes
1answer
1k views

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 ...
2
votes
1answer
77 views

Postfix change add-on priority

I have just started to fight with Spam mails because of my new project. I will explain structure of that system. We have Postfix as MTA on relay server and fresh Spamassasian and Policyd(v2 ...
-5
votes
1answer
742 views

Spam and Virus filtering not working with amavis, Spamassasin and ClamAV using Postfix on Ubuntu

I have setup mailserver using Postfix and Dovecot. Sending is receiving mail is working perfectly. This is email server is running from last couple of years without any issue. Recently we started ...
1
vote
1answer
68 views

Gmail (Google Apps) filtering capabilities plus local clamav+spamassassin?

Scenario: My company is going to move all the mail accounts from the current local (and ancient) POP-only provider to gmail, via google apps for work. Current status: Currently we are using a ...
1
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0answers
358 views

spamassassin fails start due to no rules, sa-update does nothing?

After upgrading my server to Debian Jessie, spamassassin no longer starts. Logs and such below: Invoke spamassassin using systemctl $ sudo systemctl status spamassassin ● spamassassin.service - Perl-...