1
vote
0answers
286 views

Ubuntu LTS 14.04 - Postfix spam from localhost / 127.0.0.1

Our server lately seems to send spam from our (legitimate) info email user. Actually info is not a real user but a forward to a Google mail address we use to gather email from other places. I have ...
0
votes
1answer
56 views

Spam e-mail tracing

I have this issue where I receive on my server admin e-mail failure notices to a lot of e-mails that I or my hosted domains did not send. The machine is an Ubuntu with Plesk 11. For e-mail I use ...
-1
votes
2answers
276 views

Postfix is Sending Spam [duplicate]

I have an Ubuntu 12.04 server, hosted on AWS, that powers a dozen WordPress installations using Nginx and php5-fpm. The problem just began one day. My server was down. Panic! Whenever I turned it on ...
3
votes
4answers
202 views

Spamming from my Linux server

Hi I was wondering if anyone could help. I got a email from my host company that there are some weird traffic coming from my server. A quick look into the log file revealed the sample log below. There ...
2
votes
2answers
532 views

postfix sending mails to unknown addresses

I was checking my munin tables and saw a huge list of deferred mails in postfix and looking into /var/log/mail.log gave me an idea: I am sending mails to unknown mail addresses: Dec 23 08:21:32 ...
-1
votes
2answers
235 views

Server sending out SPAM [duplicate]

Update: It does seem as the server is not compromised, but is used as relay server. Now I'm trying to figure out how to disable this. I have server running Ubuntu 12.04 LTS with several domains ...
0
votes
1answer
132 views

Dovecot Forward Spam

I was wondering if anyone had any knowledge on how this idea can be done. It's not a requirement but more of an idea I came up with that I don't know how to word my google searches to find out if it's ...
0
votes
2answers
216 views

DKIM signed mails go to spam folder and do not show key icon

I have installed DKIM for my sendmail and I have also configured it. But I still see that my emails are being considered as spam by gmail. Also, I do not see the "key" in the emails (even if I unspam ...
4
votes
2answers
7k 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 ...
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
1answer
895 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
2answers
361 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
3answers
989 views

My system is sending spam, where to start fixing it?

One of my smaller webservers appears to be sending out spam. It is a Ubuntu 8.04 system with Plesk as a configutation interface and qmail as the mailserver. How to I go about identifying the ...
1
vote
3answers
340 views

Blocking a distributed, consistent spam attack? Could it be something more serious?

I will do my best to try and explain this as it's strange and confusing to me. I posted a little while ago about a sustained spike in mysql queries on a VPS I had recently setup. It turned out to be a ...
5
votes
1answer
2k views

How do I do an exact whois search?

When I execute the following whois command on my Ubuntu server, I get all sorts of other domains which contain google.com in the name, but clearly aren't owned by google. As this appears to be some ...
3
votes
6answers
5k views

How to check my linux server isn't spamming

I'm worried about dodgy php scripts or other malicious software on my linux server sending out spam. Or maybe I left an open relay What are the ways to check I'm not sending any spam out?
0
votes
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 ...
1
vote
1answer
275 views

Testing email system, spam injection tool recommendations?

is there any free spam injection tools available on ubuntu for testing the email system ? i would like to get free Spam inject tools for testing mail systems which i am part of development Edit 2 : ...