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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5answers
8k views

Open Source or lower-cost alternatives to Barracuda Spam Filter

I'm aware of SpamAssassin-based solutions, but I'm looking for a free or low(er) cost spam filtering solution that's similar in functionality to the Barracuda Spam Filter. The Barracuda works well, ...
0
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1answer
59 views

amavis consider catchall as unknown

I'm running sendmail with amavis + amavis-milter on SERVER "A". SERVER "B" is working behind SERVER "A" which holds multiple domains. Some of the domains having catchall accounts for unknown users. ...
1
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3answers
262 views

What is the difference for spamassassin between using sa-learn and not using it?

I have a question. Whether the use of sa-learn to teach spamassassin about email spam and ham it matter? How if I do not use it because I do not have a sample of spam or ham in my mail server?
4
votes
1answer
889 views

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 ...
2
votes
2answers
798 views

Exim4, move all messages with X-Spam-Status set to “Yes” to .Junk folder in user's mail folder

How can I set up a site-wide rule to deliver all messages marked as Spam to the user's .Junk folder? And if the folder doesn't exist, create it. I know I can make a .forward file in the user's home ...
1
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2answers
2k views

spamAssassin in plesk is not filtering spams

From couple of weeks ago, all our customers has start receiving spam emails. It seems like spamAssassin is not working as it should work. What could be the reasons?
5
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3answers
4k views

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 user@my.domain....
1
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2answers
902 views

Debian server: “sa-learn” process slows system down dramatically

On one of our debian squeeze servers, we use a setup of postfix + amavis + dovecot as mailserver. Spamassassin is part of amavis. Once a day, the process "sa-learn" is started. It is part of ...
5
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3answers
1k views

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 ...
1
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2answers
489 views

spamassassin with sendmail: spamass-milter or spampd?

I want to integrate my sendmail MTA (relaying only, no local mailboxes) with spamassassin. Sendmail box sits between internal MS Exchange server and internet. So, I see two options for doing this (or ...
0
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1answer
360 views

How to solve the problem RCVD_BY_IP “Received by mail server with no name”

I'm using MailingCheck to calculate the spam score of my e-mail messages. There is one problem bugging me that i don't know how to solve. RCVD_BY_IP "Received by mail server with no name" It ...
1
vote
1answer
593 views

New Job Offers Spam - Defeats SpamAssassin

For the last month or so I've noticed a shift in spam content. Basically still getting a lot of it but there's a new focus on fake jobs offers. They all look the same, all take to a fake Seek.com ...
10
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5answers
7k views

Is there any alternative to SpamAssassin? [closed]

I'm looking for an alternative to Spamassassin. Anyone tried rspamd ?
1
vote
1answer
353 views

Using my own Postfix, filtering spam and getting all the mail into my ISP's inbox

I currently own a domain bought via GoDaddy.com, which provides me a basic email setup for the most common needs. I configured it to forward all mail to me@mydomain.com to me@myisp.com. I also own a ...
0
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1answer
3k views

Spamassassin: How to delete all spam messages on the server?

Can't find out, how to configure spamassassin to delete all spam messages. Currenly it's only mark messages as spam, but pass them throught IMAP to client. How to block them from passing through to ...
1
vote
0answers
37 views

unable to switch Spamassasin module loading in amavisd-new

I have a default installation of 'amavisd-new' and with it an old SpamAssassin installation version 3.2.5. Now I have compiled Spamassassin version 3.3.1 from source and installed it at a custom ...
0
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1answer
206 views

Mails received with same message id every 15 - 20 seconds

I have SpamAssassin integrated on my postfix mail server via 'Amavisd-new'. The problem that I am facing is that I am receiving same email every 15 second from same sender with same message-ID on my ...
1
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2answers
127 views

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 ...
0
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2answers
5k 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
votes
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 ...
13
votes
10answers
4k 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. There are only 7 e-mail accounts on this domain. I installed SpamAssassin set it to 5 ...
0
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3answers
603 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 ...
1
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3answers
941 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 ...
0
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1answer
673 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 ...
0
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1answer
477 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? ...
2
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2answers
2k 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
185 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?
0
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1answer
2k 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, ...
1
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1answer
7k 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 ...
3
votes
1answer
295 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 spam/...
0
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2answers
456 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 same....
2
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3answers
3k views

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, ...
0
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3answers
1k 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 ...
0
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1answer
94 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: * X-Spam-...
0
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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 ...
3
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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
2k 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 ...
1
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2answers
81 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
1k 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?
1
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2answers
1k 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: ...
1
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2answers
960 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, ...
1
vote
1answer
630 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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vote
2answers
2k 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 ...
3
votes
2answers
7k views

Recommended SpamAssassin update channels?

I'm currently using SpamAssassin on a couple of mail servers that I look after. SpamAssassin runs in the context of amavisd-new on those servers and with the usual bunch of plugins (FuzzyOCR, DCC, ...
2
votes
2answers
288 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, ...
6
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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 ...
5
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2answers
924 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 ...
1
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1answer
2k 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 ...
1
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1answer
595 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
285 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 ...