0
votes
1answer
43 views

SpamAssassin filtering by Exim 4 with virtual user preferences

I would like to configure spam filtering with exim's built-in spam filter support in acl_check_data config section. The piping, exim header modification (to store result) works well. As well as ...
0
votes
1answer
11 views

How to findout where spam is coming from with EXIM?

I've tracked down the user which was sending out spam but I am wondering how can I determine where the script is that is doing it? I ran a scan looking for the mail() function but found nothing. ...
0
votes
1answer
81 views

Server hacked and used for sending spam [duplicate]

Hi I have CentOS server which running mail server. Last 2 days server started to send spam. After doing some research I couldn't solve the issue. Here is portion of statistics from Exim and the ...
1
vote
2answers
209 views

exim4 reveals a mail alias when remote server rejects spam

I'm running exim4 (4.76) on Ubuntu 12.0.4.4. exim4 is set up to handle mail for mydomain.com. I have aliases set up that forward a@mydomain.com to b@gmail.com. I have SpamAssassin set up to work in ...
1
vote
0answers
64 views

Spamassassin && Exim: redirect spam emails

I want to redirect all email, being marked as SPAM to special mailbox. Works with Exim4, SpamAssassin Server version 3.3.1 on CentOS 6.5. Rules from Exim in acl_check_data block: warn message = ...
10
votes
2answers
676 views

How can I reduce the damage of stolen mail accounts?

Currently I’m offering some webhosting to a few advertising agencies for their premium customers. But currently I have a great problem with the E-Mail Service. In the last week, the E-Mail Accounts of ...
0
votes
1answer
118 views

How to find out where mystery SPAM scripts are coming from?

I am the datacenter manager at a small ISP and we have been having an issue with mystery scripts sending out SPAM on our server. These PHP scripts will appear mysteriously in /tmp as well as sometimes ...
0
votes
2answers
242 views

How to remove all messages from exim mail queue from a certain user/email

I've spend the last hour trying to figure out how to delete all messages from a certain mail address from the exim mail queue, after the queue was full of spam emails.
1
vote
1answer
355 views

Reject emails with many To/Cc recipients with exim ACL

I'm having a problem with emails with many (>20) To or Cc recipients being sent trough my mailserver. Worse these are mailing-lists so reach hunderds of people. People then reply-all causing ...
0
votes
0answers
147 views

Applying exim ACL to mail from backup server

I use exim as a mail server. To combat spam, I have a catch-all email address, and use a custom email address for every service I sign up to. If they leak my address to a spam list, I can just block ...
-1
votes
1answer
121 views

Setup Exim on cPanel to only send FROM authorized addresses for php

I run a cPanel host for my web clients, It has exim set as it's mail server. I have many clients running CMS'(mostly old joomla 1.5 which is nolonger maintained for security) that keep getting hacked ...
0
votes
1answer
534 views

Gmail marks email from my server as spam [duplicate]

I'm configuring a new mail server, but have trouble with the e-mail: gmail marks it as spam. I've checked all the obvious things (SPF, DKIM, Reverse DNS, IP adress blacklisted or known spammer). OS is ...
0
votes
0answers
268 views

EXIM4 sent mail sometimes rejected, always put in spam. DKIM and SPF pass + reverse DNS

Recently I've been seeing some instances of Your access to this mail system has been rejected due to the sending MTA's poor reputation. in my maillog and have noticed that my emails have been getting ...
1
vote
2answers
151 views

Fixing Poor Email

I'm having an issue with SenderBase. My IPs are not blocked in any BLs but people who use SenderBase/Ciscos stuff do not get my emails. Is this because my email system is setup poorly? They list the ...
0
votes
1answer
430 views

Cpanel exim set up a mail relay for spam filtering

Okay here's the problem: I'm using cpanel. I am trying to set up spamtitan. If anyone has done this before than that should be enough information to answer the question, comically enough. Now for ...
1
vote
1answer
500 views

FROM: header is forged, SENDER: is legit , spam is delivered. how to detect?

In short: What happens: FROM: header is forged, SENDER: is legit , spam is delivered. What i need: Detect forged FROM: when possible, block delivery Explained: I have a exim server (on cpanel ...
-1
votes
1answer
235 views

Track spammer Exim

hello i have a exim server , and have a lot of spam last 24 hours , i watch exim_mainlog and see this 1SDcCZ-0005DX-JQ-H mailnull 47 12 <contact@xxxxxxxx.com> 1333115355 0 -helo_name ...
1
vote
2answers
79 views

Managing e-mail and spam?

Running a CPanel server and just wondering what would be the best way to monitor incoming and outgoing e-mail to check for spam and other related attacks. Currently, I am using exim
0
votes
2answers
978 views

In Exim, is RBL spam rejected prior to being scanned by SpamAssassin?

I've recently been battling spam issues on our mail server. One account in particular was getting hammered with incoming spam. SpamAssassin's memory use is one of our concerns. What I've done is ...
2
votes
1answer
222 views

Configure exim4 (or other MTA) to prevent sending duplicate emails

How can I configure exim4 (or another MTA) to avoid sending duplicate emails? For my purposes a duplicate email can be defined as: same recipient and subject (or same recipient, subject and body) I ...
0
votes
2answers
352 views

Spamassassin/Exim (incorrectly) blocking mail from localhost as spam

On our server we've got a problem with spamassassin/exim4 blocking email from our mailing list software as spam. This because (usually) the headers the software (ecartis) adds add points to make it go ...
1
vote
3answers
2k views

Make Exim send bounces to postmaster instead of the sender, for non-local sender

I have a few e-mail aliases that forward to external hosts. Currently, if the external host rejects a message, Exim generates a bounce message and sends it to the original sender. This is bad because ...
0
votes
1answer
762 views

Exim 4 filter spam on return path different from “mail from”

Recently I'm receiving (a lot of) spam with "mail from:" from legitimate users (on my server) but a different "Return path". This should not happen for our users, that is, mail received for ...
2
votes
3answers
582 views

GeoIP based greylisting with Exim?

I have been using Sendmail together with milter-greylist for many years at several sites. milter-greylist has support for defining greylisting rules based on GeoIP database lookups. This is very ...
0
votes
2answers
224 views

How to avoid outgoing emails to be flagged as spam by google? [duplicate]

Possible Duplicate: Best Practices for preventing you from looking like a spammer I use Exim4 as MTA on Ubuntu server. The problem is that all outgoing emails are being flagged as spam by ...
0
votes
2answers
186 views

Spam outburst in an Exim server

I have a Linux server running Exim. Some user is sending spam. I can tell this because almost every 24 hours I'm getting a huge number of undelivered mail in the nobody account. I can see how the ...
3
votes
1answer
829 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 ...
1
vote
2answers
114 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 ...
1
vote
2answers
2k views

Does Google/Gmail & Yahoo/YMail cache DNS information related to SPF?

I am configuring my linode server to send mail from my webapp to users. I could use GoogleApps, but the 500/day limit it too restrictive, hence I'm attempting to set it up myself. I set up Exim4 on ...
4
votes
4answers
470 views

Spam from my server

I have exim and dovecot on my server installed with directadmin. Some users use it to send spam. How can i disabled this and remove my server from abuse. info from mainlog 2010-07-07 13:00:16 ...
15
votes
9answers
2k views

Gmail and Live are making all messages from my server as spam

I'm getting very weird results here. When my server sends an email to my @hotmail or @gmail account, it's marked as spam. When I send email through my server from Outlook to @hotmail, it doesn't get ...
1
vote
1answer
190 views

Email Server Configuration (exim4)

I recently setup an exim4 server instance only for the purpose of allowing our host to send outgoing emails (the application hosted therein sends a number of automated email messages). Recently ...
2
votes
1answer
388 views

Is there any point to Teergrubing anymore?

I'm just installing a new mail server, using Exim 4 and the sa-exim Debian package. Part of the configuration uses Teergrubing (or tarpitting), and while it sounds like a great idea in theory, I also ...
2
votes
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 ...
0
votes
2answers
710 views

Redirect all (non-rejected) spam to a special mailbox in sa-exim

I'd like to redirect all spams (that weren't rejected outright) to mailbox of local user spam (i.e. deliver mail to spam user rather than to original local recipient). I'm using sa-exim (exim 4 + ...
1
vote
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 ...