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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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?
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1answer
20 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. ...
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1answer
10 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 ...
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29 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 ...
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2answers
49 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 ...
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0answers
8 views

imported imap spam assassin [duplicate]

I moved my server to an other VPS. I also synced the imap messages to this new VPS. On this VPS i've got spamassassin installed. The old server was very slow and couldn't handle spamassassin, so I ...
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1answer
7 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 ...
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6 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 ...
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2answers
37 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 ...
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1answer
11 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.
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27 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 ...
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2answers
114 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 ...
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1answer
21 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 ...
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4answers
593 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, ...
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1answer
39 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
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1answer
15 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 ...
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1answer
29 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 ...
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1answer
12 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 ...
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1answer
110 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 ...
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0answers
9 views

SpamAssassin RDNS_NONE even if rDNS is present

This famous mail checking website enter link description here tells me SpamAssassin trigger the RDNS_NONE rule, but rDNS is present. The sending Hostname reported by the MTA in the mail header is ...
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0answers
19 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 ...
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1answer
85 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. ...
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1answer
35 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 ...
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1answer
27 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 ...
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0answers
19 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 ...
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0answers
54 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 ...
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1answer
33 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 ...
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1answer
29 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 ...
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1answer
35 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 ...
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1answer
628 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 ...
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1answer
57 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 ...
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1answer
150 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 ...
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1answer
32 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 ...
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186 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 - ...
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1answer
73 views

cannot get Spamassassin to run on Centos 6

I've installed SpamAssassin twice, once using yum install spamassassin and once downloading the source from cpan. SpamAssassin, itself runs and reports itself as v3.4.1 running on Perl 5.22.0 but ...
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1answer
43 views

Update of SpamAssassin

We're running SA as a filter to Postfix and just completed an update (of SA) from 3.3.2 to 3.4.1. The spamassassin, spamd, and spamc executables have all been verified as the newer version. ...
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1answer
50 views

check spamassassin DNSBL results

Is there a way to check the results of spamassassin on an email when it checks DNSBL? I see nothing in the maillog and nothing in the mail header. I do not know if it is actually querying the DNSBLs ...
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112 views

SpamAssassin not filtering well on Mac OS X Server

I am trying to deal with an increasing number of spam messages on a server I administer. We are using Mac OS X Server and have added the following RBL Servers to the blacklisting feature in ...
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45 views

Postfix, procmailrc, SpamAssassin letting some but not all spam messages through

I have postfix running on my server with a main.cf as follwos:- myorigin = $mydomain inet_interfaces = 213.229.80.33, 127.0.0.1 mydestination = 213.229.80.33, corunna.com, localhost, ...
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1answer
115 views

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 abc@something1.something2.xyz but I also get junk from abc@something3.xyz. if I specify @.xyz ...
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1answer
78 views

exim: How to reject spam mail depending on destination domain

Currently, I have exim set up to mark spam mail, and reject spam mail with high scores, using these ACL instructions in the acl_smtp_data ACL: warn condition = ${if ...
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1answer
21 views

Will spamassassin’s bayes filter work if learned spam mails have *SPAM* in the subject?

When my mail setup detects that a mail is spam, it puts *SPAM* in the subject. Now I want to improve my bayes filter by training it on my corpus of spam. If I feed these thousands of mails to ...
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1answer
634 views

Spamassassin: sa-update failed for unknown reasons, daily error, How to fix?

For a while now I'm getting the following error-mail sent to my root account on my server. This is a fail occurring every time on the daily spamassassin update. My setup followed the Ars Technica ...
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1answer
54 views

Determine if an e-mail contains a certain number of a specific character

I am hoping to write a SpamAssassin rule that will match if an e-mail contains over n of a specific character in the body of the message. Not necessarily continuous. So for example, if there were ...
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1answer
335 views

SpamAssassin with dovecot-antispam training

I'm trying to get dovecot-antispam working with SpamAssassin' sa-learn. This is my Dovecot configuration: antispam_backend = pipe antispam_trash = trash;Trash;Deleted Items; Deleted Messages ...
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1answer
314 views

Spamassassin rule to compare return-path and from fields

Recently I noticed a recurring pattern in some of the spams I get. The return-path and from headers always have the same structure. Let me explain with an example: Return-path: ...
2
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1answer
90 views

How to stop a loop I have introduced in a transitional postfix-spamassassin-dovecot setup

I am at the early stages of the steep email handling learning curve, gentleness appreciated :-). I have a setup with postfix and dovecot. I am trying to migrate my email server (domain example.com) ...
1
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1answer
155 views

Mails not being received. status=deferred (lost connection with 127.0.0.1

I have a MiaB box with about 30 email boxes. This errror pops up in /var/log/mail.err but with no other information. WARNING! Error in process_request eval block: /usr/sbin/spampd: write error ...
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102 views

E-mail sent from mobile version of Zimbra is marked as Spam

yesterday I sent an e-mail from my company e-mail account to another company account, using Zimbra webclient on my smartphone. Unfortunately it was marked as SPAM, so I got task to find out why. Here ...
2
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1answer
39 views

Sane Spam Strategy [closed]

Right now I'm using spamd to score spam and then procmail to put it in user's .Spam Maildir folder and then manually running sa-learn on .LearnAsSpam and .LearnAsHam and then also manually just ...