Unsolicited e-mail, comments or posts, often sent out in large volumes; possibly but not necessarily commercial in nature

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2answers
1k views

Stopping spam-related bounced emails

One of my e-mail customers is currently on the receiving end of massive amounts of delivery failure notices as a "Nigerian scammer" seems to be using her address as its MAIL FROM field. A lot of it ...
0
votes
2answers
168 views

How do i know email sending limit not to be declared as spammer?

I need to implement in our CRM the mass email sending from our customers to their contacts. I am sorry this might be trivial question, but i maybe dont know what keywords to use to google it, how do i ...
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2answers
240 views

My dedicated ip address is blacklist for spam email sending

My question is that How can I know that which client's computer is infected? so that I can block him. I am running more than 300 websites on that server. that is really ruining the business. Could ...
25
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7answers
16k views

How to stop spammers from sending spam as me

We've starting to receive bounced spam messages and the sender is one of our email address. We know that we don't send spam from that address. We've tried changing the password but we're still ...
-1
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1answer
587 views

Preventing Postfix backscattering

I am having problems with the Postfix mail server being used for backscattering, I have tried the suggestions in the manual but nothing seems to work. Does anyone know how we can reject any mail from ...
0
votes
1answer
264 views

Debian Server with Postfix and Dovecot + Spam Management

I currently have an email account that receives TONS of spam because currently I have no filter setup. Is there any way of going through that spam that I am receiving and setup a filter off those ...
0
votes
1answer
960 views

Sending mail through local MTA while domain MX records point to Google Apps

My domain's email is managed by Google Apps, so that domain users get Gmail and Calendar, etc. But I also want to be able to send applicative notifications to users outside the domain via email (e.g. ...
0
votes
5answers
2k 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 ...
0
votes
3answers
466 views

Blackberry sending mail problem

Hey all got a pretty simple question here: [A LITTLE BACKGROUND] We use a service called Google Postini and part of Postini is a service called IP-Lock. What IP-Lock does is if an individual ...
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2answers
470 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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3answers
379 views

sendmail rules for filtering spam

Can anyone help me with constructing sendmail rules for limiting spam? Assuming that name of my domain is my.domain.com, I want to use following rules: If BOTH sender and recipient address is from ...
0
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1answer
344 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 ...
0
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2answers
162 views

Filtering semi-solicited spam

While traditional UCE (get rich quick, enlarge your body parts, Nigerian barristers) are handled adequately, I'm still receiving a lot of not quite unsolicited spam. This is typically from commercial ...
2
votes
1answer
117 views

Managing an email server - what steps can I take to ensure our emails are delivered

We have developed some CRM software which allows the users (our clients) to send emails to their clients (both individually and as a bulk email-out). The emails are sent via our email server, but ...
1
vote
1answer
1k views

How can Monitor Linux zimbra mail traffic ( in and cout )?

I configured zimbra mail server in linux. Is there any way to monitor e-mail traffic through linux server. Or any way to monitor spam activities on this zimbra mail server. Thanks for the great help. ...
0
votes
2answers
305 views

My exchange 2003 mail server is blocked by RBL lists. Someone is sending spam from inform@mydomain.com

All outgoing email to external recipients from my Exchange 2003 server is getting blocked by RBL lists. I'm new to administrating Exchange and i checked the Message Tracking Center under System ...
1
vote
2answers
12k views

How to setup a reliable SMTP server on Windows Server 2008 R2

I know there are SMTP services out there which you can pay to send e-mails with but surely it's not that difficult to set up one of your own. How can I set up an SMTP server on Windows Server 2008 R2 ...
1
vote
1answer
305 views

Stop OpenVPN client sending spam

I have openvpn configured on the centos server and client can connect via openvpn client from there windows box on port 1194. Clients gets the gateway 10.0.8.1. The problem is that client boxes have ...
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vote
1answer
91 views

How do I set up an email server that automatically maintains a list of previous recipients?

I want to set up an email server with the following characteristics. What software (besides bogofilter and clamav that I'm naming) should I use and what HOWTOs should I read? The server should run ...
2
votes
1answer
2k views

Email sent using hMailserver goes to spam

I have configured hMailserver to send and receive email. It is working fine but all the mails send to any id goes to spam. reverse ptr for my domain is ponting to my static ip. mx-record is pointed ...
0
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2answers
67 views

Emails sent through our application are going to spam or not comming at all

When sending emails through our rails app they are going to spam in some email accounts(hotmail) and not coming at all in others. We are using sendmail to send the emails. The sender email id is ...
0
votes
1answer
518 views

Why are my emails being marked as junk?

I've configured SPF, reverse DNS and as far as I can tell I'm not on on RBL. I've attached a sample data below. I do not send unsolicited emails X-Message-Delivery: ...
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votes
1answer
237 views

What is the aim of this email? Is this a ping or sping or what? [closed]

I asked this on Webmasters, since it was related to me being webmaster, but it got closed as off-topic. Let's see if I get lucky here. I received this spam in my catch-all. As a webmaster of the ...
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3answers
3k views

Prevent mail being marked as spam

This is a canonical question about avoiding outgoing mail being classified as spam. Also related: Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User? What ...
2
votes
3answers
765 views

Force Apache2.2 to drop a request

Long story short we recently had an account on one of a shared hosts compromised, the issue has been resolved but the affected account is still being spammed with over a million requests a day to a ...
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1answer
527 views

Avoid creating backscatter on a Postfix forwarding server

I run a Postfix server that hosts a small, alias-based mailing list. Let's say people@myserver forwards to alice@someprovider and bob@someotherprovider. Now, alice@someprovider might use a more ...
0
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1answer
318 views

Best Email Host or Solution For Large Volume of Automated Emails

I run a service which send's people alerts via email. I am launching a new version and switched over a bunch of stuff to GoDaddy, but it looks like there is a limit of 250 SMTP relays per day so this ...
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1answer
591 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 ...
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1answer
99 views

Temporary E-mail Addresses in Business

I'm a big fan of services like mailnull which allow users to give a temporary e-mail address to prevent spam. I'd like to give something like this to my users. Does anyone know of any solutions ...
3
votes
1answer
5k views

Exchange 2003 mail non-delivery (NDR), spam activity? events 7002 & 7004

Windows Server 2003 Small Business Server SP2 Exchange Version 6.5 (Build 7638.2: Service Pack 2) This network has been neglected and has been having email problems for years and was on many ...
0
votes
2answers
448 views

Email been marked as spam

Friends, I tried a lot of changes, but no success to send the email correctly formated, I'm using the same domain to send mail and the email pass trough spf and authentication, but has been marked as ...
0
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1answer
101 views

Published and updated mass email statistics?

I'm wondering if someone is publishing statistics on email usage on the internet. The main number I'm looking for is average message size on a large scale sample data over time. If someone doing ...
8
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5answers
6k views

Is there any alternative to SpamAssassin? [closed]

I'm looking for an alternative to Spamassassin. Anyone tried rspamd ?
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3answers
3k views

Something is spamming from my hMail server - how can I deal with this?

My Windows 2008 server is attempting to send out a lot of spam, I've just discovered, and I'm not sure how to see where the compromise is. For example: has someone hacked an account? Has someone ...
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2answers
129 views

Information on 50% drop in spam starting Christmas 2010

Has anybody who administers email servers or spam filtering noticed that in last couple of weeks the spam volume has dropped significantly? Is there a chart provided by one of the major spam filtering ...
2
votes
2answers
209 views

Original sender is not correctly identified when spam is forwarded

I have a forwarding rule with Postfix that forwards all messages to my main email address. When a spam message is sent to one of my emails, it is forwarded but the sender is shown as being the ...
1
vote
2answers
6k views

why my emails are going into spam folder

I have a domain name hosted at godaddy and if I send an email from gmail to a friend with a link to my domain or a subdomain of it in the content, the email is sent to the spam folder. I never sent ...
2
votes
3answers
1k views

Can any postfix guru assist me determine how emails are still being sent via my server from unauthorized sources?

I'm getting a little concerned as I run a small server hosting a number of websites and manage the email for a few dozen people. Just recently though I've had a couple of notifications from spamcop ...
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votes
4answers
9k views

How to report spam to blacklists

Is there a central place to report spam to various blacklists ? I regularly report to spamcop, but I do not see the addresses I reported as listed. (I guess nobody else bothers with my regular ...
0
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4answers
855 views

New Mac OS X Server setup, when i send mail to gmail it goes straight to Spam. Why is that?

New Mac OS X Server setup, when i send mail to gmail it goes straight to Spam. Why is that? My setup: DNS - done (A records PTR are ok) Mail Setup - done Webmail - done Also there seems to be a ...
3
votes
1answer
900 views

DNSBL listed at zen.spamhaus.org - cant get outgoing mail working? Am I interpreting the response correctly?

I have problem with a mailserver and there is something I kind of not understand! I can connect, authenticate, specify the sender address - but when specifying the reciever i get a error 550 which ...
0
votes
2answers
366 views

Debugging the source of rogue emails coming from my domain?

Somehow, rogue spam emails are being sent through my domain from test@mydomain.com. I'm using google apps to manage email, and I see no test user account, so I'm not sure what could possibly be ...
0
votes
2answers
91 views

Blocking spam from free e-mail providers

I'm having a bit of an issue with a recent spam wave on my network. We're using a variety of e-mail checks that have been quite successful thus far, but these e-mails are presenting a problem. They ...
1
vote
3answers
407 views

Anti-spam on par with Gmail's?

Currently, I rely on Gmail to weed out SPAM because the anti-spam software on my hoster's mail server is so crappy, and besides, it doesn't provide a good web UI so users can tag false negatives and ...
3
votes
2answers
527 views

Is someone using my mail?

I found a whole bunch of this in my maillog (after my site went down from excessive resource usage): Dec 3 05:24:23 mysite qmail-queue-handlers[24524]: from=anonymous@mysite.com Dec 3 05:24:23 ...
0
votes
1answer
4k views

Multi-IP address zimbra server DNS PTR records and spam

We have a mail server running Zimbra (ZCS 6.0.8). The server has 5 active public IP addresses in the same subnet. (.226-.230). I currently have A records for each of these ...
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vote
4answers
2k views

How do I bypass Exchange 2007 SenderID Spam filtering on mail coming from a particular domain

I have some emails which are been deleted as spam and the AgentLog files contains the section ... Sender Id Agent,OnEndOfHeaders,DeleteMessage,,MissingPRA,No valid PRA, I would like to configure ...
1
vote
1answer
558 views

Do not send “SPAM FROM LOCAL” messages for mails relayed to spam_lovers

I have setup amavis as follows: $policy_bank{'ORIGINATING'} = { # mail originating from our users originating => 1, # indicates our client, introduced in amavisd-new-2.5.0 ... ...
0
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1answer
335 views

how to know that whether qmail is being used as spam sending trojan or proxy

how to know that whether my qmail is being used as spam sending trojan or proxy in CBL Lookup Utility i get following message: IP Address is listed in the CBL. It appears to be infected with ...
0
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4answers
1k views

Unexpected requests from an IP in San Antonio.. should I worry?

I've noticed on my server log that I receive unexpected requests from an IP in San Antonio. Is this spam ? They visit phpMyAdmin, admin.. etc is this spam ? 184.106.130.137 184.106.149.110 - ...