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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How do I learn the in's and outs of email, spam, and exim

I recently got a new job, and realize that I'm way to ignorant on mail troubleshooting. How do you recommend learning how to read email headers, mail logs, and troubleshoot various mail problems? any ...
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1answer
2k views

Zimbra, how to turn off spamassasin and clamAV

We are using Zimbra 5.0.18 and I like to know how permanetly disable spamassasin and clamav. We have ironport so no wories about spam and malware.
2
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1answer
3k views

Why does Exchange 2003 silently reject emails with large attachments?

Our environment: Exchange Server 2003 Standard, single instance, running on Windows Server 2003 Standard. configured to not send/receive mail with attachments larger than 10 MB. NDRs are not ...
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10answers
2k views

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 (yes GB..lol!) there are only 7 e-mail account on this domain. I installed SpamAssassin ...
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3answers
421 views

Web frontend to spamassassin for service providers?

I would like a frontend to spamassassin/amavis (or alike) which can let customers manage their own domains/settings. I do not look for hosted services. I do not mind licensing fees, but I do like open ...
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3answers
631 views

how to stop outgoing email spam

running an email system using roundcube, with about 200 people using it. 99% of them do as they are told and only email clients they have already spoken to, however 1% of them decide to bulk spam bcc ...
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1answer
570 views

exim + vexim + Squirrel install howto for newbie?

is there any nice step by step tutorial for 100% newbie how to install exim vexim Squirrel SpamAssassin (maybe) on a Debian box with LEMP? I want to be able send, receive, forward email on ...
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1answer
315 views

All messages being tagged NO_DNS_FOR_FROM on Zimbra server

On our Zimbra 6.0.5 server running on Fedora 6, it seems that all messages are being tagged by spamassassin with NO_DNS_FOR_FROM (despite having legitimate sent addresses). How should I debug this? ...
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2answers
805 views

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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3answers
162 views

SpamAssassin: Message is 20% to 30% HTML

SpamAssassin is flagging my e-mails as HTML_20_30 - 'Message is 20% to 30% HTML' What exactly does this message mean and how can I make it go away?
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1answer
970 views

dkim signing is failing (according to spamassassin) and I need details to solve it

I am using qmail and libdkimtest to sign outgoing emails. The setup is almost exactly as per this tutorial (http://patchlog.com/security/qmail-and-dkim/). Emails I send out have a signature added, ...
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1answer
4k views

How do I make changes to spamassassin under zimbra?

We are running a zimbra installation which uses spamassassin to filter mail. I have not installed this myself so I am not completely sure if this is a plain vanilla installation. The zimbra ...
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1answer
171 views

Migrate and merge SpamAssassin

I have two separate SpamAssassin configurations that I need to merge into one. Since both of them have seen gzillion mails I'd feel stupid to dismiss one of them. Is it possible to merge their ...
0
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2answers
355 views

spamassassin attachment scanning

I have just started using spamassassin for my email server. I am unable to find an answer for following questions: Does spamassassin scans attachments? If not, what plugins can be used for the ...
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3answers
730 views

How to make spamassasin reject mail based on score?

I am running linux with postfix, dovcot, postgrey and spamassasin/spamd. This is my main.cf smtpd_recipient_restrictions = permit_sasl_authenticated, ...
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2answers
656 views

configure spam assassin to delete all spam above a score domain wide and override individual settings

Okay, so this is my scenario and what I want to try and do. I maintain a Red Hat email server running qmail and spamassassin. I have a domain that has well over 100 email account each with ...
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1answer
83 views

Spamassassin not work

I set the threshold to 7.5. But this mail still can't work thought will auto spam. Any idea? Thanks. X-Spam-Flag: YES X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on X-Spam-Level: * ...
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2answers
2k views

How to keep SpamAssassin up to date under CentOS?

I am running CentOS 5.4 with SpamAssassin installed via yum. However the version yum installed was SpamAssassin version 3.2.5 and I am finding that this version has many outdated rules -- including a ...
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5answers
2k views

Best practices for mass email platform [duplicate]

I am in the process of setting up mass email service. My question is: what are the best practices to achieve maximum deliver-ability. More precisely - what should I do/know to prevent spam filters ...
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3answers
1k views

Moving automatically spam messages to a folder in Postfix

My problem is that I want to automatically to move spam messages to a folder and not sure how. I have a linux box giving email access. MTA is Postfix, IMAP is Courier. As webmail client I use ...
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2answers
71 views

spamassassin setup how to make sure X-Spam-Status is allways written

I just found out that spamassassin skips checking for email bigger than 250KB by default. Due to a coding bug, I check for the X-Spam-Status header in incoming emails and did not take into account the ...
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2answers
743 views

Create a blacklist

I have installed postfix, amavisd, spamassassin and clamd. I want to specify a sender to blacklist. How can I do this?
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1answer
903 views

why my mails from zimbra server to yahoo goes in to spam folder

I just configured zimbra mail server but mail from my zimbra to yahoo, hotmail etc going into there spam folder any suggestion??? bellow is header part from yahoo of that mail X-DSPAM-Result: ...
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2answers
454 views

Spamassassin one-liner to tag & move mail with an X-Spam-Flag: YES to a new directory?

Say you have a directory with tens of thousands of messages in it. And you want to separate the spam from the non-spam. Specifically, you would like to: Run spamassassin against the directory, ...
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1answer
582 views

How to debug spamassassin running via Plesk 8.4

I am helping someone with their Plesk (8.4) based Linux server, which runs qmail and spamassassin. Spam Filter is configured via the control panel and seems to be running on the server. The ...
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2answers
1k views

Spamassassin on 1and1 dedicated server

I have a dedicated server on 1and1. When I send a mail from myself I get my mail like SPAM. The headers of the mail are: 1.0 EXTRA_MPART_TYPE Header has extraneous Content-type:...type= entry 3.1 ...
2
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2answers
279 views

SpamAssassin 2010 Bug still active on my mailserver despite the offending rule being fixed - where to look to fix?

The SpamAssassin 2010 bug was supposed to be fixed not long after the bug became widely known, and indeed the offending rule in my /usr/share/spamassassin/72_active.cf has been updated. However, ...
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1answer
1k views

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 ...
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2answers
876 views

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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1answer
1k views

How to tell spam-assassin not to quarantine tagged emails?

I'm running my own postfix mail-server at home with a setup similar to this one. I opted to deliver tagged spam via dovecot to the user's spam-mailbox, so that they can review tagged emails if they ...
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1answer
473 views

Train spamassassin with POP3 or copied emails

I am still new at this so be gentle. I have setup a server with postfix, dovecot, apachce2, PHP5, PHPmyadmin, spamassassin, clamav, amavis. Now to train spamassassin apperently I need to use IMAP. ...
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2answers
270 views

Why are default spamassassin rules not being applied to emails we generate?

My company uses a standalone spam-assassin install to test marketing emails, however, mail originating from us does not seem to run the full gamut of test. For example, Spam assassin has a default ...
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2answers
362 views

spamassassin --lint and spamc return different scores

I'll keep this short and sweet. spamassassin --lint -D < email_message_to_test.eml Returns: [22154] dbg: check: is spam? score=4.205 required=5 Which is an entirely reasonable score, it is in fact ...
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3answers
440 views

Testing promotions against spamassassin, scores lower than expected

I recently setup a local installation of spam assassin for testing promotions as we want to catch any spam false positives before we mail our customers (This email is opt-in). We even added several ...
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2answers
2k views

Rewrite Email Subject

Is there a way to rewrite a subject of an Email on the receiving MTA (presumably at the Spam Filtering stage). An example would be if giving Email accounts to young children where certain words need ...
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1answer
143 views

Most simple, easy to service and update DIY spam/virus filtering SMTP gateway

I run email for several companies, and I want to set up my own SMTP gateway to migrate their domains off hosted spam filtering services. I wanted an opinion from someone who actually runs email ...
0
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1answer
881 views

plesk 9 spamassassin server wide blacklist via cron?

we're running ubuntu 8.04 LTS and plesk 9.2 our simple task is to set up a periodic black list for spamassassin, e.g. using this script .. #!/bin/sh #! Script by AJR to update local spamassassin ...
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1answer
351 views

Message-ID contains multiple '@' characters

I am looking at my server's spamassasin and have stumbled across the "problem" that my outgoing email sends out its own X-Report and X-Score in the header (programs used are Outlook 2007 as client and ...
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2answers
5k views

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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2answers
1k views

How to forward mail classified as spam by spamassassin to dspam?

i'm using postfix, amavis-new, clamav and spamassassin. Now I'm thinking of having dspam together, and training dspam from data collected by spamassassin. Any possible way to forward mail classified ...
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2answers
1k views

Site-wide server-side rules in Exchange 2003

I have a mail server that scans inbound email messages with SpamAssassin before passing messages to Exchange 2003. When a message is considered spam, it is marked with a certain header. Is there a ...
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2answers
178 views

Using spamassassin as an external filter for a web forum

Has anyone tried anything like this? My plan is to do something like this: When a forum post is submitted, instead of immediately saving it to the database, send an e-mail to a reserved account. ...
2
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1answer
574 views

Can I remove emails from /var/spool/sa-exim/SApermreject?

I have a lot of emails in /var/spool/sa-exim/SApermreject. Can I remove these emails or will this lead to some kind of nasty spam problem? Or is this just a history of all the emails that were never ...
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1answer
487 views

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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2answers
1k views

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 ...
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4answers
2k views

SpamAssassin trying to read config files under /root/

I have mail gateway servers configured to use MailScanner + Postfix + SpamAssassin as described here, along with MailWatch as a web front end. When sa-learn is run from MailWatch (it's run as the ...
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2answers
203 views

How is spamassasin called by amavisd-new?

I initially thought amavisd passed incoming email message through to spamassin via the spamd daemon but now the spamd daemon is down on my new test email relay and the messages are still being flagged ...
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3answers
922 views

why spamc keeps getting me 0/0 when I test it?

on my centos 5 I've installed spamassassin and I want to execute it from php using the command line client. The problem is that each time I run it, I get as result: 0/0 here is how I run it ...
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3answers
651 views

Run SpamAssassin on virtual_alias in Postfix

Ever since I started using Postfix virtual_alias_maps to forward all my email to gmail, I'm getting a ton more spam than when I delivered the mail locally and used SpamAssassin/spamd to filter it. ...
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2answers
4k views

Can I enforce mail rules server-side in Exchange 2007?

I have a client who gets a TON of spam to their public IP. I have put a Linux box running exim and spamassassin in front of it, and a bunch of Outlook rules to move mail into the Junk Email folder ...