Generally refers to techniques that aid in avoiding receiving any email or message that is either unwanted or unsolicited.

learn more… | top users | synonyms (3)

-5
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1answer
25 views

Reporting a spam [on hold]

I believe I was hacked last night. The worst thing is whoever did this has now changed my password and I can no longer access my main email account since this morning. I am petrified to know someone ...
0
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0answers
9 views

Delete “JUNK” email folder from Outlook

I have two junk email folders in Outlook. Can I delete one of them or are they both in the coding and not delectable?
0
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0answers
19 views

Why does Google mark one e-mail as spam while does not the other? [migrated]

I've a Postfix installation which works fine, I don't get any trouble with mails sent through a mail client (in my case, Thunderbird or RoundCube) when the To: address is a GMail account. However, I ...
0
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0answers
20 views

Incoming email returned to sender by a spam bocker called Kundenserver

Many incoming emails are sent back to sender. How can I unblock some of them? The subject line is 'mail delivery failed. Returning message to sender.'
0
votes
0answers
1 views

create safe sender list based on domains of email recipients in Exchange [migrated]

We're moving from Google Postini to Symantec Cloud as a spam filter. In Postini we've managed to collect a total number of about 3400 domains added over the years to our safe sender list. But ...
-1
votes
2answers
56 views

How to prevent hacked emails from sending out spam

I am new to this whole server admin thing ... I work for a small company, in which I am the web developer & server admin (a job I was thrown into). Please note, before taking this job I did not ...
0
votes
1answer
16 views

How to use spam filtering on a VPS with only mail forwarding (aliases)?

I have a VPS set up as MX for several of my domains. The e-mail for these domains are just aliases to other mail accounts (mostly Gmail) to forward incoming mail. Ofcourse this catches also much spam ...
0
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0answers
26 views

Detect spambot on ubuntu 12 TLS

Recently I discovered in my mail log that there is an enormous amount of spam being sent from my home server. I am running no websites, just zpanel. I closed down all the ports and am monitoring the ...
0
votes
1answer
19 views

Spam filter in Outlook 2010

Recently the one sender who I receive from most has been blocked. The messages do not appear in Junk or Junk E-mail folders, but show up if I search All Mail Items as being in a Spam folder. I can ...
0
votes
1answer
21 views

Strange emails in postfix queue

Currently I am not sending any emails, I have postfix and dovecot installed but in the in the postfix mail queue I see strange emails almost every minute, i dont know from where is this spam ...
0
votes
1answer
64 views

Why does Gmail mark some messages read and some unread in my Spam folder?

I use Gmail which has tremendous spam filtering capabilities. But, I'm curious why some messages are marked read vs. some left unread in the Spam label folder. Of my 1,000 current messages in Spam, ...
1
vote
1answer
72 views

What is the most effective way to blacklist a domain?

I have a domain name that is being used as the "from" address in millions of spam messages. I get over 10,000 NDRs every day! The original messages aren't coming from my machine, the spammers are ...
0
votes
0answers
32 views

Local SMTP Server — prevent spam flag?

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
0answers
13 views

Does MailScanner add any significant functionality to a modern Exim4?

Exim4, an MTA, seems to have support for a lot of anti-spam, virus, and malware support that can be configured into it. For example, see one user's configuration documented at ...
0
votes
1answer
39 views

How do I display the X-Spam headers in an Outlook 2010 mail folder?

I have two sets of spam scores stored in message headers, the first group is set by our trusty old mfiltro "spam box": X-VRSPAM-DESCRIPTION: legit X-VRSPAM-SCORE: 40.00 The second group is set by ...
0
votes
1answer
40 views

Blocked Senders list Outlook 2007

So a bit of a problems has arisen from a user having a load of emails from a particular address being unanswered because they were all appearing in their Junk Email folder in Outlook. We push a ...
0
votes
1answer
60 views

How does SMTPSVC on Hotmail set hostname in SMTP header?

The daily spam to my Hotmail-account today contained a message with a forged sender addresssuspicious enough for me to check the SMTP header. The only "Received" entry was: Received: from grogrol ...
1
vote
2answers
295 views

Outlook keeps putting good email into Junk Folder

I've been having a problem ever since I upgraded from Outlook 07 to 10. Outlook keeps putting good emails into the Junk folder. I'm pretty sure I know what the problem is, but I don't seem to be ...
2
votes
1answer
43 views

In Outlook 2007 is it possible to whitelist a domain plus all possible subdomains?

I frequently receive mail from a domain which uses a newly-generated subdomain tree in the From address each time, e.g. blah@foo1.bar2.example.com glarg@foo3.bar4.example.com The subdomain names ...
1
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0answers
40 views

Spam-tag chinese spam mails via ISPConfig

I'm looking for a way to get rid of the ton of - I assume - Chinese spam mails I get every day. Is there a way to filter out mails which contain Asian characters in the subject? I googled around but ...
0
votes
1answer
24 views

SMTP Headers Guide [closed]

Is there a guide/cheat sheet that explains Email/SMTP headers in detail? I could not find any useful resources after plenty of Googling. The purpose is to understand the headers in order to be able ...
2
votes
0answers
46 views

Do email providers care about me having numerous email accounts? [closed]

Well, I have a bad habit of making a new email and then switching everything over once I start receiving spam. Several years ago I chose a really long email address and I never received spam but this ...
1
vote
0answers
21 views

Exchange 2010 OOF spam response

We're using a Linux mailfilter/smarthost to filter email and tag it as spam before it reaches the Exchange 2010. Email that is over a certain threshold is simply dropped, but some small amount of spam ...
0
votes
0answers
80 views

Blocking or filtering chinese spam using postfix

My mail server runs postfix, spamassassin, amavis and sieve. Using a combination of any of these, is it possible to block or tag any mail I receive that is written in non-"English" characters? I.e ...
1
vote
1answer
234 views

Postfix is Sending Spam [closed]

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 ...
0
votes
4answers
482 views

How do scammers get your contacts when they send emails that appear to come from you? [closed]

Everyone is familiar with ploys where scammers send fake emails to people in your contact list saying things such as "I am in jail in the UK and need you to wire $10,000...". When this happens to ...
0
votes
1answer
471 views

qmail server, failure notices. Is the server compromised?

Ive hosted my own email for years now, and only recently have I started receiving failure notices that I have not sent. Below is an example of a header Hi. This is the qmail-send program at ...
2
votes
2answers
906 views

conclusive way to block “onunload” spam (“are you sure you want to navigate away?”) [duplicate]

i'm looking for a conclusive, 100%-effective way to block this latest hideous trend of marketers and scammers alike. you'll be familiar with it yourself - it's a very easy way to tell whether or not ...
2
votes
1answer
323 views

DMARC Email SPF policy_evaluated & auth_result have inconsistent status

Some ( but not all ) of the emails from our service are flagged as phishing by gmail and spam by hotmail. The emails being marked as phishing are sent from an application deployed on EC2 VMs which ...
0
votes
1answer
100 views

Encrypted mail is rejected by mailserver

I started sending mail encrypted with openPGP (Thunderbird + Enigmail) this month and it has worked perfectly for several weeks. Today I attempted to send an encrypted message, but received this ...
4
votes
1answer
221 views

How can I stop “clipboard hijacking” globally? [duplicate]

this is getting to be a real bugbear of mine, and from what i understand it's becoming more common. a few of you might have heard of tynt, a site that offers clipboard-hijacking services. with their ...
0
votes
2answers
170 views

Blocking ransom-ware like Cryptolocker

Here's the scenario. We've got around 15 - 25 physical machines, a few virtual ones, 3 or 4 file servers, mobile devices - the works in a single domain. A user reported that they'd been infected with ...
0
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0answers
112 views

SMTP blocking a legit email, no way to contact yahoo or anyone about it?

Very frequently, I have trouble emailing from Yahoo to people with their own domain. For example, when I send an email from myname@yahoo.com to someoneelse@theirowndomain.com, I'm getting a bounce ...
0
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0answers
31 views

Trojan that steals Thunderbird passwords [duplicate]

I have a client that has several emails set up in her Thunderbird email client. The email accounts that were set up to this computer were sending a lot of spam. I cleaned the computer with ...
0
votes
1answer
109 views

apache access.log requests from localhost to localhost

My server is spamming via postfix from www-data user. In apache access.log: 90.156.208.121 - - [20/Jan/2014:17:24:01 +0300] "GET /treningi.php HTTP/1.0" 200 21025 "-" "Mozilla/5.0 (Windows NT 5.1; ...
2
votes
0answers
17 views

How can I see how much spam is blocked by specific junk filters I set up?

I've added several entries to my Blocked Senders list, but I'd like to know many messages each one is blocking. Entries that do nothing or almost nothing, I'd like to get rid of. Also, by knowing how ...
50
votes
7answers
6k views

IP address that is the equivalent of /dev/null

Is there an IP address that would result in any packet sent to be ignored (blackholed)? I know I can always set up a router with an IP address and then just have it ignore all packets sent to it, but ...
0
votes
0answers
33 views

Email spammed by unknown users with same domain

I had my website and email recently migrated to new server, somehow my email was spammed with some unknown users with same domain, I have been checked in server's control panel (Plesk), I never seen ...
3
votes
3answers
83 views

Changing Email address because of spam [closed]

I have an an email account, lets say info@notmyrealdomain.com. It's receiving lots of spam so I want to set up a different account and use that, let say contact@notmyrealdomain.com. I want to use an ...
1
vote
1answer
72 views

How do I stop/pause the fetching of mail in Thunderbird?

I have an account in Thunderbird which has not been checked for a long time (I've been using Gmail, which doesn't delete any messages from the server). So this means when I click "Get Mail" it starts ...
1
vote
0answers
69 views

In Outlook 2010, whitelist messages based on subject

On a business website, I have several web forms that send me an e-mail message when they are submitted. However, in Outlook 2010, these form submissions often got put in the Junk folder. To solve ...
0
votes
1answer
60 views

DKIM configuration on Debian

Due to the fact that many e-mails we send with our company address do not get delivered, rejected or marked as spam, I searched for a solution on the web. One of the solutions I found was to use DKIM ...
1
vote
0answers
29 views

Outlook 2010, looking for a smarter “not a junk” option

Outlook 2010 marks some of newsletters I receive as junk. To move an email from a “Junk e-mails” to “Inbox” I right click on the email and then select “Junk” from a context menu, then click on “Not a ...
1
vote
1answer
73 views

How To Unsubscribe From Emails That Do Not Give You Means To Do That? [closed]

Sometimes somebody subscribes my email to their list without any of my permission which gives him convenience of spamming my inbox. I know there are email extractors but never heard of email ...
0
votes
1answer
905 views

Exchange 2013 ECP looping to login page

I have successfully installed Exchange 2013 on my Windows 2012 Server. Everything is set up, and things are working just fine. Until just a bit ago I tried logging into the management console ECP ...
0
votes
1answer
139 views

Why is my own e-mail address not listed in the To field?

I have received a suspicious e-mail. I am not affiliated with the company mentioned in the e-mail body, or the signer. However, I have been using the app they mention in the e-mail. They are inviting ...
2
votes
1answer
133 views

Reject forged emails with spamassassin from own email address

Lately I've been receiving ~10 emails per day from myself. It's my own domain hosted on my own server (at home). I'm running openpanel and spamassassin. How can I configure spamassassin to block such ...
0
votes
1answer
217 views

My email address is constantly listed by SORBS and barracudacentral, how can I remove my email definitly from those services?

I have removed the affected IPs several times from SORBS and BarracudaCentral. But is still listing me through different IPs. It's quite annoying to remove my IP several times per month. The curious ...
1
vote
0answers
80 views

Live Domains - email marked as spam

I'm using Domains Live for my domain as email service provider. However, those emails I send are usually marked as spam... I have set the MX record to Prove domain ownership and TXT record of Server ...
0
votes
2answers
94 views

E-mails from PostBox ends up in spam, E-mails sent from webmail doesn't

I have a weird problem going on. Whenever I send mails from my company's email account on PostBox (similar to Thunderbird for those that don't know) it ends up in the spam folder on the receiving ...