The spam-filter tag has no wiki summary.
3
votes
0answers
57 views
How to configure amavisd-new for only scanning on particular senders/servers?
I'd like to know how to configure amavisd-new to only scan for Spam on particular clients (IPs, CIDRs or hostnames) or alternatively sender's email domain.
I know that it is possible to do it on a ...
0
votes
0answers
25 views
MailEnable Filtering
We are using Mail Enable Enterprise Edition version 3.x, I have a group email account "mygroup@mydomain.com" ; I want this group to be able to receive emails only from Post-offices hosted on the ...
2
votes
1answer
197 views
Barracuda tagging email with 'date grossly in the future.'
I have a Barracuda 300. Granted it's running on some old firmware and the Energize updates are quite outdated. I'd like to update them, but, not my financial decision to do so.
Starting around the ...
1
vote
2answers
41 views
How can I filter spam from yahoo's servers?
In the last few months my mail server has been getting massive amounts of spam from yahoo.com's mail servers. Each one appears to be from a different Yahoo mail free account.
The spam is all coming ...
2
votes
4answers
131 views
Best practices for spam filtering
I've been running an amavisd-new, spamassassin, postfix setup for a while to help crush spam on our incoming e-mail servers. The setup I'm using is a few years old at this point and its about time to ...
2
votes
1answer
32 views
Outgoing emails from China based VPS rejected or marked as spam
I just switched email service provider from Google apps to a VPS with a Hong Kong host. Now I find a huge part of all outgoing emails ending up in spam boxes and in some cases getting totally rejected ...
1
vote
1answer
92 views
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 ...
0
votes
3answers
94 views
My mailserver is getting stuck in http://cbl.abuseat.org/
I have a small system that sends about 15 email/day to my personal email account. I have set up the web form so that the users email is set as sender when I send the email to my inbox so it's easy for ...
3
votes
4answers
84 views
Do mail servers and/or spam filters care about a domain's root A record?
I have a domain which I only use for email adresses. I don't host any content there.
My provider added an initial A record at the root of my domain which points to a server that delivers a ...
0
votes
1answer
56 views
Processing items with SpamAssassin and sa-learn
I have been working on getting SpamAssassin up and running for awhile now and am pretty close to being finished. However, there is one last thing that is grinding away at me that I can't seem to ...
2
votes
2answers
143 views
Bayesian filtering for Exchange 2010
So here's the deal.
Basically, I am looking for a convenient way to get spam from my Exchange 2010 mail server to my spam filter/proxy (whatever you want to call it) in a mail format for ...
0
votes
2answers
191 views
Optimal parameters set for Postfix “smtpd_recipient_restrictions”
we've inherited the DNS from another ISP and now our mail server is bombed by about 1000 emails per minute, 99.99% of these emails are just spam. We're trying to optimize the filtering/rejecting the ...
2
votes
2answers
122 views
Best techniques to make sure that emails are not marked as spam
We have a service that requires a registration and the registration process sends some confirmation emails.
These emails say in a three-line message that you have to click some link with a generated ...
5
votes
2answers
167 views
97% of emails reaching IronPort/Domino are Spam
We have a Domino mail server protected by Iron Port (v7.1.5 I think). Iron Port reports an average 96%-97% of emails are stopped by reputation filtering, and around 3% of emails are clean messages.
...
1
vote
5answers
314 views
What's a good alternative to the Barracuda Spam Appliance?
Searching for Barracuda alternatives didn't yield much. Can anyone recommend a good spam appliance like Barracuda?
I want something that will strip bad stuff out like if I have a .txt attachment ...
2
votes
2answers
73 views
Outbound business email being marked as spam in other organizations
Wanting to make sure I've done everything I can to prevent our legitimate email from being incorrectly marked as spam by other companies:
Exchange 2010 with SP1, no major changes in 6 months.
I've ...
0
votes
0answers
115 views
Failing to start spamasassin to run as a daemon on slackware linux 13.1
Hullo Spamasassin Users,
When i start Spamasassin as a stand alone it gives me the error below:
warn: archive-iterator: no access to status: No such file or directory at ...
0
votes
1answer
45 views
How to Block Spam on Server from Certain Service Providers
I host my blog on a hosted VM - I am in control of the server. Right now, my blog is getting massive amounts of spam from Ubiquity Server Solutions (aka Nobis Technology Group). I've identified this ...
2
votes
5answers
333 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, ...
1
vote
2answers
70 views
would this header cause the email to be flagged as suspect?
Authentication-Results: [snip].mail.[snip].[snip].com
from=someDomain.com; domainkeys=neutral (no sig);
from=someDomain.com; dkim=neutral (no sig)
Received: from 127.0.0.1 (EHLO ...
0
votes
2answers
26 views
Recommendation for supplementing spamassassin [closed]
We are using spamassassin to filter outbound mail generated from forms on web sites. I am not very satisfied with the amount of spam we are catching and so I am hoping to find a good application to ...
0
votes
5answers
464 views
Barracuda spam filter alternative - virtualization/appliance friendly?
I've sold and deployed Barracuda spam and web filters for years. I've always thought that the functionality was good (Barracuda Central, easy interface, effective filtering), but the hardware on the ...
5
votes
3answers
232 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 ...
0
votes
1answer
112 views
Built in spam filters SBS2008
I have an sbs 2008 server with exchange 2007, its running the MS spam filters which picks up the spam fine, however a lot of senders cannot send email to the recipients of the sbs2008 server until ...
0
votes
2answers
77 views
Recommend a Canadian spam filtering service? [closed]
I have been tasked with setting up a new email system for a health care provider that needs to ensure all of their data (including email) is stored within Canada. The plan is to run SBS in-house, and ...
1
vote
2answers
435 views
Configure postfix to filter email into hold queue
I would like postfix to send all emails received on SMTP off to an
external process, which will decide whether to allow them through as
normal, or whether to put them into the hold queue (or another
...
1
vote
6answers
237 views
I'm hosting reseller and I got spam problems. Please help to solve
Our provider suspended our account with 5000+ clients and their sites. The reason was that the whole IP range was blacklisted by SpamHouse, but our provider did not explain what emails, form what IP ...
0
votes
1answer
81 views
Exchange 2007 Content Filter is being to aggressive
Some senders are getting the following return message:
Error transferring to mail.server.com; SMTP Protocol Returned a Permanent Error 550 5.7.1 Message rejected as spam by Content Filtering.
...
0
votes
2answers
314 views
Route emails directly from Exchange to SharePoint?
We're trying to use the Microsoft-supplied Help Desk template for our SharePoint help desk site (running on WSS 3.0) and are having problems trying to create tickets from emails. When working ...
0
votes
5answers
448 views
How to configure email server to send lots of transactional emails
My organization is currently outsourcing email delivery to an SMTP service provider. We're considering bringing that back in house to deliver our own emails.
We send about 5k transaction emails per ...
1
vote
3answers
268 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
votes
1answer
80 views
Where/How Can Spam False Positives Be Reported To MessageLabs?
An email I sent got flagged as spam by MessageLabs on the recipient side. I'd like to proactively engage MessageLabs to tell me more about why this got quarantined (or at least fix it).
Is there ...
2
votes
2answers
479 views
How does Outlook 2007 decide if it should redirect an e-mail to the Junk E-mail folder?
My Question:
How does Outlook 2007 decide if it
should redirect an e-mail to the Junk
E-mail folder?
Background Story:
When I send a simple HTML e-mail from my domain mailbox, it's being ...
1
vote
2answers
58 views
Users accessing our email when traveling overseas are seeing strange SPAM behavior
I run technology for an international non-profit, so I have users that could be checking their email from Pennsylvania one day, Santo Domingo the next, and Kabul, Afghanistan, the next week. Recently, ...
0
votes
2answers
69 views
Trust e-mail from our domain(s)
We have several notification e-mails that get generated by various systems for our users. I've been asked to make sure all e-mail to [anything]@ourcompany.com doesn't wind up in our users' junk ...
0
votes
2answers
176 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 ...
0
votes
1answer
41 views
Forwarding Emails From Inbox Only
I have a forward setup on one of our public facing email addresses to a few users outside of our system (to an external address). Seeing as it's public (printed on a website in plain text), we get ...
2
votes
4answers
132 views
Does sending e-mail in the name of customers increase the risk of being marked as spammer?
We are developing a SaaS website application that lets users send invoices to their clients. Ideally, these e-mails should appear to be originating from our customers, so the sender e-mail address ...
1
vote
0answers
199 views
Exchange 2007 delivering messages flagged as SPAM
I have an SBS 2008 box running Exchange 2007. Mail is delivered directly to the Exchange machine from the Internet via a receive connector (I have already advised people that it would be better to use ...
1
vote
1answer
118 views
Anti-spam software for Cent OS 4.8 w/ cPanel
My company has a dedicated server running CENTOS Enterprise 4.8 with cPanel. We host our own websites as well as about three dozen client websites. We recently migrated our clients over from a ...
0
votes
2answers
175 views
What DNS Records / Zones are required for setting up a dnsbl server?
I'm trying to setup my own custom dnsbl server for blocking spam. I have successfully created a server running rbldnsd but am curious about what DNS records I would need to have in place so that my ...
0
votes
1answer
558 views
Linux Exim set return-path header automaticly using from header
I use Exim on a Centos distribution and have some problems with the mail sending.
In order to make all the email pass the spam filters the "Return-path" and "Sender" headers have to be attached to ...
0
votes
2answers
60 views
Why is our spamfiltering software client crazy?
What to do? It blocks almost all incoming messages. What to do?
It complains about:
RDNS_NONE - a host with no rDNS? What is that?
BAD_ENC_HEADER
FH_DATE_PAS_20XX
What does these rules mean ...
2
votes
1answer
293 views
Desperation: All FIVE of my Postini clients' accounts have been deactivated
Note: This is re-telling of a message I just posted to Google's support forums.
Well, this week has not been good.
I have five clients on Postini. All of the clients accounts were purchased ...
0
votes
2answers
69 views
Help with SPF and Wacky Setup
I am the new system administrator for a company who recently rebranded one of its products. We seem to be having some trouble with our messages being marked as SPAM and from the research I have done, ...
2
votes
2answers
679 views
Postfix: content-filter vs. milter
I have a Postfix mailserver with content filtering using AMaViS via the "content-filter" option of Postfix. Now I wonder whether it would be better to use AMaViS as a milter instead of the ...
0
votes
2answers
195 views
Exchange 2007 ineffective spam filter
On a pretty clean 2007 setup, I'm seeing A LOT of mail with senders such as
0.0011a7f8@roman
htyme@14009d3cb93848c
0-lz@14009d3cb93848c
0-5-1@home-4fd909062d
0-td@h109-187-48-125.dyn.bashtel.ru
all ...
3
votes
1answer
140 views
How can I explain to dspam that the user “brandon” is the same as “brandon@mydomain”
I am using dspam for spam filtering by running the "dspamd" daemon under Ubuntu 9.10 and then setting up a Postfix rule that says:
smtpd_recipient_restrictions =
...
check_client_access ...
2
votes
1answer
621 views
Is there any way to see why Outlook's client junk mail filter is marking a message as spam?
I have some users running Outlook 2007 connected to an Exchange server, and they're complaining about mail ending up in their junk box. There's no X-SCL tag in the mail headers so this filtering must ...
1
vote
2answers
230 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 ...
