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

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-2
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0answers
33 views

email rate limited by google [duplicate]

I run an eshop. Recently I noticed that customers started to complain about order emails not delivered to them. I found out thet servers mail queue contains around 30 returned emails from google with ...
-2
votes
0answers
72 views

Unable to Stop Mail Server Abuse

I have a mail server that has somehow been compromised. Its been well over a week and since then I have changed many settings to no avail. As a first step I saw the mail logs which indicated a high ...
0
votes
1answer
18 views

Exchange 2010 SPAM filter

We have Exchange 2010 with the built in SPAM filter installed. Was wondering if there is a way to check what messages have been blocked. We have a customer trying to send an e-mail and it never ...
0
votes
1answer
67 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 ...
0
votes
1answer
19 views

Sendmail's MTA, MDA and SMTP 550 User Unknown forwarded to postmaster

I have two boxes running sendmail and configured as: MTA accepting connections from the outside world (mta.xyz.com) MDA accepting connections from internal network and storing them in user mailboxes ...
0
votes
0answers
61 views

Zimbra uses other IP than assigned, causing HELO/Reverse-DNS mismatch

We've got a vServer running Zimbra and a web server, each of them having its own IP address. 1.1.1.11 - vServer, running: -- 1.1.1.12/mx1.ipsum.com - Zimbra mail server -- 1.1.1.13 - web server ...
-1
votes
0answers
18 views

mailEnable catch all function reciving a lot of spam, how can i prevent it?

we are an esp compeny. we are using the mail enable as our email server, we made a change in the way we are reciving feedback loops and other spam complaints, i need to use the catch all function ...
0
votes
0answers
18 views

Mac OS X mail server - automatically routing spam to junk folder

I am running Mac OS X Server (10.9) with the built-in Mail Server. We have SpamAssassin configured to identify junk mail. I've been asked to configure Mail to route mail which SpamAssassin identifies ...
-1
votes
1answer
31 views

Configure sendmail to reject emails without from addresses

My MTA is receiving lots of emails with no from address specified, for example: Sep 15 17:09:57 mta1 sm-mta[46864]: STARTTLS=server, relay=mx01.aquila-capital.de [83.236.242.254], ...
1
vote
2answers
143 views

Spamassassin filter systematically produces negative (ham) scores for spam messages

I have problem with lots of spam. My server setup is VPS with CentOS 6.5 and Dovecot+Postfix+Spamassassin. Here is source of one of the messages: Return-Path: <nancy_mitchell@tagbook.co.nz> ...
1
vote
0answers
193 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 ...
-1
votes
0answers
16 views

appended spam link at the end of the index.php file [duplicate]

I just opened my index.php file and found spam links appended to the end of the file, those links are to html files also uploaded into a new folder on the server how can this be done?
0
votes
1answer
24 views

Usefull to enter the same RBL's to Postfix and to spamassasin?

Does it make sense to enter the same RBL's in the postfix config under smtpd_recipient_restrictions and also in spamassasin? Would one not be enough? Thanks!
-3
votes
1answer
40 views

Sending emails on behalf of our clients

We wan't to send emails on behalf of one our customer. Previously we were sending those emails using our email address. But last two times we got blacklisted in SORBS database (probably because of one ...
-6
votes
1answer
40 views

Automated blacklist checker [closed]

Has anyone used any of these services and if so, is there one you can recommend? Ideal target would be for an MSP so perhaps would like real time alerts if an IP shows up on blacklist for perhaps ...
-2
votes
1answer
24 views

spam email forwarding by server [closed]

Let's start with this scenario: We have a mailbox (i.e. in yahoo), every message is sent by this account, marked as spam by Gmail spam filter. (because the address or sender IP is blacklisted, ...
-1
votes
2answers
131 views

GMail detecting mail as spam [duplicate]

I've been trying for a long time to get our company's mail server send mail that will get accepted by the GMail spam filter. I have managed making it work for Yahoo Mail and Hotmail, sadly GMail is ...
2
votes
1answer
45 views

Training a spam filter based on Mailman moderator's actions?

I'm planning a Mailman server, and looking for a good way to enable list moderators train a spam filter (likely to be either spamassassin or dspam). Has anyone come up with a good way to run training ...
0
votes
1answer
27 views

Spamassasin: Check mailbox for spam

How can I have spamassasin check a mail folder for spam and move it into a different one. I've been getting a lot of spam recently and started implementing bayesian classifiers. I moved a bunch into ...
-1
votes
1answer
54 views

Can't figure out how to properly setup SPF record [duplicate]

I have a Django web app and I use Django's email backend to send out emails. I can't figure out why emails are ending up in spam folder. My domain host is GoDaddy so I added a TXT record ...
0
votes
1answer
67 views

Postfix acting as spam server. Looks like it's part of a botnet, spam messages being sent to customers [duplicate]

Let me first start out by saying I am no mail guru. If you need more info to help me just let me know. This week the mail server has been having all sorts of strange issues. It has been duplicating ...
-1
votes
2answers
260 views

Use postfix and spamassassin packages on CentOS 6 to reject SPAM - without custom users and scripts

Here is what I'm trying at my CentOS 6.5 Linux server: Installed postfix and spamassassin packages Configured Postfix - it works well (I omit details here) Added -x to the SPAMDOPTIONS in ...
1
vote
1answer
75 views

Spam - individual user

I have a bit of an issue with a users inbox in that a lot of spam is getting through for him alone. We use Amavis/Postfix and SA in our mail setup. Config setup like this: Config: ...
5
votes
1answer
87 views

Disable Outlook Web Access Junk filtering in Exchange 2013

By default, Outlook Web Access (OWA) in Exchange 2013 seems to move suspected junk mail to the Junk Email folder. This is undesirable behavior in most of my environments because we have Barracuda Spam ...
1
vote
1answer
59 views

Postfix message ID originating process?

Last night my postfix mail server(Debian Squeeze with dovecot, roundcube, opendkim and spamassassin enabled) started sending out spam from a single domain of mine like these: $cat mail.log|grep ...
-4
votes
1answer
35 views

No way to create an effective spam filter [duplicate]

We are having a big spam problem and we don't know how to resolve it. We have one spammer that send us mail daily. All these emails are from different themes, using different email addresses that are ...
0
votes
1answer
36 views

How do I block a user doing too many requests without blocking an entire organization?

We have a running website and some of the content comes from a paid API. Our website is free. Our main concern at the moment is people using our website as a "free" way to get at the underlying data ...
0
votes
1answer
66 views

Spam Traffic, DDOS Attack & Server Crashing

I am running phpfox application in my server under my main domain name fetlock.com and I am getting large amount of spam and also suffering from DDOS attacks from multiple IP addresses. My server ...
0
votes
1answer
19 views

SpamAssassin doesn't filter forwarded mails

I am forwarding emails from an external email account to an account on my own server. SpamAssassin works fine if I just receive mail normally. But all mail thats being forwarded from my external mail ...
0
votes
0answers
51 views

determine which application is sending mail via postfix

I would like to track down which applications (other than PHP, which I can track via mail.log setting in php.ini) are connecting to and sending email via postfix. Is this possible via any log ...
1
vote
2answers
141 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 ...
0
votes
0answers
60 views

Forwarding email through a dummy relay to avoid blacklisting

I have a mail server that allows individual users to forward mail to other providers. The server performs the usual anti-spam checks, but spam still gets through occasionally -- especially with the ...
-2
votes
2answers
137 views

ubuntu postfix send mail marked as spam [duplicate]

I set up a mail server, when I give Gmail to send test message is marked as spam system: ubuntu + postfix + dkim + dk + spf + ptr This is the message header Delivered-To: test@gmail.com Received: ...
1
vote
0answers
57 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 = ...
1
vote
1answer
178 views

Server sending spam - how to find out why?

I have a CentOS 6 on a dedicated server. I'm the only one with shell access to it. I host 2 Wordpress and few simple PHP sites there. My hosting company just emailed me that they blocked my port 25 as ...
0
votes
2answers
48 views

Prevent abuse of sendmail for spam

In web servers that host many websites there is always the possibility of a hacked site being abused in order to send spam mails with some kind of php mailer bot. In my case sendmail is configured ...
0
votes
2answers
55 views

Error sending emails from a mail server relay type falling into the spam folder (using postfix)

Here I show one of the emails that come to Yahoo, which are falling directly into SPAM folder. The SPF goes smoothly, the DKIM passes without problem, even DMARK passes without problem, but just keep ...
0
votes
2answers
185 views

Postfix and Dovecot Sieve spam filter does not work

CentOS 6.5 x64 I'm trying to apply a Sieve filter to my mailserver (Postfix + Dovecot + Spamassassin) to automatically move spam mails to my Junk folder. I've added sieve to my ...
-2
votes
1answer
96 views

Prevent postfix sending spam from fake local address

I have an email server Postfix (not open relay) filtered with ASSP (filter incoming mail/connection), but some spammer is sending tons of spam using my email server by using fake local address. This ...
0
votes
0answers
17 views

It's possible to have a Distributed Bogofilter database?

We've Bogofilter running on our AntiSpam system and I would like to distribute it's database through the two MX gateways that we have. I know it's possible using SpamAssassin with a shared MySQL ...
10
votes
2answers
671 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 ...
1
vote
2answers
64 views

Quick/safe way to mass delete SPAM messages from 100+ inboxes

Looking for a way to delete all messages from particular senders out of every affected users mailbox, typically 100-200/10,000. When I approached our Exchange admins about this idea I was met with ...
0
votes
0answers
26 views

Global Inbox Rules in Exchange 2013

There's a way to create global inbox rules in Exchange 2013? I'm not referring to the Transport Rules, because it does not perform what I would like to. It would be nice to force a Inbox Rule, ...
0
votes
0answers
87 views

How to send emails without ending up in Junk/Spam folder

I have installed a mail server in order to send e-mails using my own domain name. I've read many articles about how not to end up in Junk folder. I have done what those articles said: Added MX ...
2
votes
0answers
50 views

Restrict IMAP access for a given account to only one IP address in Exchange 2013

I've created a "spam crawler" account with full access to all mailboxes in an Exchange 2013 environment to get messages in the junk folder to feed the Bayesian filtering running on SpamAssassin in a ...
1
vote
0answers
48 views

Email spam/hack and odd apache logs around the same time

A friend of mine started getting failed delivery notices yesterday (June 23rd, 2014) on all of his domain e-mails, and so he asked me to look into it. I have been looking through various logs and his ...
2
votes
0answers
48 views

Single MailCleaner installation for two distinct domains with user authentication

I would like to use one MailCleaner installation to handle two distinct domains as one centralised spam management system, sharing configuration and mainly the bayesian filtering database. Both ...
7
votes
3answers
2k views

Should I let email bounce or send it to a blackhole?

I have a lot of unused (old, dead) accounts on my machine. Many of them receive literally thousands of emails a day, all spam. If the account was used by a person, I let the email bounce so that ...
2
votes
2answers
28 views

Sending mail from sub-domain on different server from domain getting flagged as spam

Our client owns a server with a domain: website.com We have a server that our client points videos.website.com to. Emails sent from videos.website.com are getting flagged as spam because website.com ...
0
votes
1answer
116 views

Plesk 12 Linux Server Mail Spam Issue

I'm running multiple websites on my dedicated server, and for one website in particular where users signup and then must verify their email address, I'm getting reports from my client that a small ...