1
vote
2answers
36 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
40 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
17 views

Local SMTP Server — prevent spam flag? [migrated]

I opened up port 25 on my router, so now I can use sendmail to send email. However, the emails I send are being marked as spam by my personal gmail account (understandably). The "from" field defaults ...
0
votes
1answer
30 views

PermError SPF Too Many Lookups and Reduction

My current SPF record is as follows: v=spf1 mx include:servers.mcsv.net include:xero.com -all The above cause the SPF validation to fail. Using http://mxtoolbox.com/SuperTool.aspx?action=txt, I ...
0
votes
0answers
106 views

553-Message filtered - HELO Name issue?

I am having major issues sending from my SBS2011 machine to Message labs server-13.tower-134.messagelabs.com #553-Message filtered. Refer to the Troubleshooting page at ...
0
votes
0answers
15 views

Email marked as spam, but I am not listed on blacklists [duplicate]

I have a problem with sending emails from my server. The problem is that when I send mails to external addresses such as gmail, hotmail, yahoo, etc, sometimes come to spam. For example, send a email ...
0
votes
0answers
38 views

SPF record validation is pass but email is rejected by server [duplicate]

I have SMTP on a windows 2008 server with IIS6. The SPF recored is passed when I send emails to hotmail or gmail but it gets rejected on other servers claiming that there is problems with the SPF. ...
2
votes
0answers
209 views

How to stop double-bounce FROM sender in postfix

I am getting huge amount of these in my mail log, and unable to find its originator. What could be the reason? Here is log entry: postfix/cleanup[9626]: 4413082E40: ...
0
votes
1answer
137 views

hMailServer forwarding and distribution lists with SPF checking

I have installed and configured hMailServer, primarily to allow me to create a distribution list for a private organisation, and some email address aliases. This is so that members of the ...
0
votes
1answer
126 views

What do I need to be able to send mass SMTP email efficiently? [closed]

I am creating a web application that allows users to send broadcast emails to a list of subscribers. Essentially, it's a mass emailer and autoresponder, like AWeber or Constant Contact or MailChimp. ...
1
vote
1answer
170 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
67 views

Information about the “dot attack” to email servers

I have an email server working for about 1 year. I usually look logs to see what crackers try and find possible security issues. I have received several times a strange attack that I do not ...
0
votes
3answers
145 views

postfix sending newsletters as spam to the receivers [duplicate]

I have some problems with my postfix setup. We send newsletter regulaly to our customers once or twice a week. and we have expierenced that many customers do not get their emails, it's simply because ...
0
votes
2answers
62 views

Which steps are required to avoid my server being considered as spam sender?

I'm looking to set up a webmail server that will be used by a lots of users that will receive and send emails. They will also have the possibility to forward emails they receive. I'd like to know ...
-1
votes
1answer
77 views

Mountain Lion Server reject spam

On Snow Leopard and Lion server there was a filter option to reject (bounce) unwanted spam. With Mountain Lion Server the filtering still works, but it only gets flagged as spam with *** JUNK MAIL ...
0
votes
1answer
42 views

How to block mails from a server in gmail

I am getting mails daily from different mail address like ry8029@fastmail.fm ry1532@outlook.com etc. Since , the mail Id is changing daily , I can't filter those mails. I checked that ...
1
vote
0answers
81 views

Configure postfix to limit total number of connections from any and all SMTP clients in a given time period?

I am trying to figure how to configure Postfix to operate within the requirements given by Spamhaus for free usage of their DNSBLs (http://www.spamhaus.org/organization/dnsblusage/). They specify that ...
0
votes
1answer
1k views

Can message go to spam because of X-AUTH and X-SID fail on hotmail [duplicate]

When email with header as below comes to hotmail, it is put into spam folder. May be this is because of X-AUTH-Result: FAIL or X-SID-Result: FAIL? Or maybe the reason is different?How can I fix this? ...
1
vote
1answer
90 views

Spam avoidance issue

I'm working on a project right now that sends email as confirmation of purchase. Some emails are still being received as spam. I have signed the domain up for google apps for business & am using ...
0
votes
1answer
77 views

Reverse dns and SaaS Spam Filters

We have an exchange server in the office that for a year or so has just used the built-in spam filters - we have added the SpamHaus IP addresses so that some basic spam filtering is done. However, ...
1
vote
1answer
26 views

Spamhouse PBL and smtp auth - LAN

Have next setup: I understand than the communication between email-clients and my email-server over the internet must use SMTP-AUTH. Otherwise, my mailserver can get into Spamhouse PBL database. ...
0
votes
2answers
345 views

SPF, DKIM, PTR & friends Passed, but postfix mail goes into spam How to Fix it? [duplicate]

I recently setup an email server with static IP address, (Ubuntu 12.04 & Postfix); Everyting looks OK, I did te test@allaboutspam.com test and everything passes in green (except for BATV format ...
-1
votes
1answer
110 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
0answers
108 views

Return-Path showing spam coming from my domain?

So I just logged into an old email address to see a ton of similar messages like the one below: To: "oliver@example.com" <oliver@example.com> Content-Transfer-Encoding: 7bit Mime-Version: 1.0 ...
0
votes
2answers
221 views

Blocking spam on Ubuntu 12.04

We seem to be having a lot of spam emails in our mail.log file. For example Mar 11 18:23:01 localhost postfix/qmgr[1452]: 87945226BD: removed Mar 11 18:23:01 localhost postfix/smtp[8809]: 87945226BD: ...
0
votes
1answer
155 views

Error from Postfix server: mail for cacti.snowbarre.co.za loops back to myself

My setup is that my central mail server, CM forward to an anti-spam server, cacti which acts as an SMTP server. On of the email addresses on CM has been getting 40 emails generated apparently as a ...
1
vote
0answers
42 views

Uncontrolled spam sent from server [duplicate]

Hi I have shared hosting on a UK2 server that got suspended again. They claim that my account is sending SPAM messages but the problem is that I can't trace those from the information they've given me ...
-3
votes
1answer
91 views

Blocking unsubscribe spam

I have SpamAssassin turned on and using RBL in the WHM control panel using the lists from spamhaus. However, these type of e-mails are getting in. Are there any ways to stop them? Example of the ...
0
votes
1answer
461 views

PHP Web Mail going to spam folder

I was working for my college website, and I wrote a php script that sends email using php mail function. But the problem is, all the emails that I send are going into the recipients spam/junk Folder. ...
0
votes
2answers
108 views

Domain being blocked by email servers

Got a minor problem and don't know where to begin looking. I've checked DNSBL lists for the IP of the server and it's free, not on any lists anywhere. For some reason emails from my domain are not ...
33
votes
4answers
3k views

Is greylisting still an efficient method for preventing spam?

I've used greylisting on my servers for many years, but I don't know how effective it is nowadays. Is it still good for fighting spam in 2012? Or is the typical spammer MTA capable of resending ...
1
vote
3answers
1k views

Email from my new vps is marked as spam

I got a new vps from x10vps (x10hosting) and set up the domain via cloudflare. This is what the email looks like: Delivered-To: xxx@gmail.com Received: by 10.64.19.240 with SMTP id i16csp357708iee; ...
1
vote
4answers
369 views

How do SPF records reduce spam?

How do SPF records reduce spam? Note: I'm not asking how to setup an SPF record; I already know how to do this. Does the receiving mail server lookup the SPF record and determine if where the mail is ...
-1
votes
1answer
54 views

stopped receiving email from our own server

I have a website with a registration system, that sends new users a confirmation email after registering, and sends myself a new user registered email. A few weeks back, I created a newsletter ...
1
vote
1answer
78 views

How to whitelist a domain while blocking forgeries using that domain?

How do you deal with the case of: wanting to whitelist a domain so that emails from it won't get eaten, but not having emails forged to appear to be from that domain get bogusly whitelisted ...
2
votes
4answers
231 views

Email getting marked as spam by gmail, hotmail but OKed by spamassassin

I am having some issues with emails getting sent from one of my websites using the PHP mailer. When I am using my own email server with spamassassin the emails come through without a problem, but with ...
-1
votes
1answer
164 views

spam keywords to block in mail

Can anybody suuggest me a list of keywords which i can block in mails which are sent from my postfix mail server.I wanna include them in my postfix header checks and body checks file.
-1
votes
4answers
2k views

how to block spammer using my mailserver

how to defend my mailserver using by spammer to send email to etc yahoomail , gmail , etc my mail server now blocked by gmail. already setting to block of all that but still attacked by spammers ...
1
vote
2answers
1k views

Emails forwarded via postfix get flagged as spam and forged in Gmail

I'm trying to setup a forwarding only email server. I'm running into the problem where all messages forwarded via postfix are getting put into gmail's spam folder and getting flagged as forged. I'm ...
1
vote
2answers
78 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
1answer
939 views

Any way I can send Spam to my mail perimeter in a controlled way for testing?

I just set up a Postfix/Procmail/SpamAssassin server but I am not convinced that it is really doing much filtering. I have gotten it to recognize the SpamAssassin special Spam code that produces a ...
1
vote
3answers
3k views

Why do these emails from amazon SES keep getting marked as spam?

Right now I am sending emails using the php mail() function. I am setting the From: header to an address corresponding to the hostname and also reverse-dns of the server sending the email like this: ...
-1
votes
1answer
91 views

every email marked as SPAM or not even delivered? [closed]

I am having a very serious problem! I registered the domain http://codepigeon.com a while back (2 months) and have dev. an app to easily make changes to ones source code across multiple webpages or ...
1
vote
0answers
65 views

Communigate: writing rules

We have Communigate on our mail server. Recently we moved to Dr.Web antivirus + antispam. When it checks mail for spam it writes spam score in 'X-Spam-Level: ', where number of '' signifies the spam ...
2
votes
1answer
219 views

How do I configure my domain and web application so the emails send from the latter are not blocked as spam?

I have a WordPress site that needs to send notifications to an email address. I would like the from field from this emails to be an address on my client's domain. I dont know much about email ...
2
votes
1answer
183 views

Issue of tracking an email that was “lost in cyberspace”

The issue here is one of an email that has been "lost in cyberspace." The receiver is claiming never to have received it. However, I recieved an automated out-of-office reply as a response to my ...
2
votes
1answer
206 views

How to prevent your mail gateways from being blocked due to spam being sent via mail forwarding

We allow users to forward their e-mail to external addresses. From time to time, our mail gateway appliances' anti-spam engine computes a large spam campaign targeted to our users as a ...
1
vote
2answers
4k views

CBL This IP address is HELO'ing as “localhost.localdomain”

I am pretty lost here, my server somehow got into a blacklist. And I don't know why and how to solve it. Please take a look at the link below. CBL List - click here Anyone knows what is going on ...
2
votes
2answers
1k views

Delete from mailq where subject matches

I have a mailq which is getting backed up with multiple emails with the same subject line. I would like to delete all emails in the mailq that match a particular subject line so they don't get sent. ...
1
vote
2answers
133 views

SBS Email Outbreak

I have a client that is running SBS 2003 Std. and they have some sort of mass mailer that is spamming mail. We are running the most current defs. of Vipre anti-virus, we are not a setup as a relay, ...