Questions tagged [spam-prevention]

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

Filter by
Sorted by
Tagged with
0 votes
1 answer
447 views

How to find the Chrome extension that opened a spam website?

Currently I have a weird problem: I do a Google search and probably once a day, one of my clicks onto a search result does not lead to the target site but instead opens a spam site. Today's example: ...
Avatar's user avatar
  • 2,653
1 vote
3 answers
618 views

Stop Thunderbird from spam filtering

I am using Thunderbird version 38.5 as an email client and it apparently keeps routing messages to a "Spam" folder. I have all junk settings turned off for this account (as shown below), but it still ...
Tyler Durden's user avatar
  • 6,121
1 vote
1 answer
475 views

How can I filter email messages in Alpine v2.03 email client?

In my school, our web admin gave us a text-based email client to manage our inbox. This client is called Alpine. Its productive version is 2.03. We have a lot of spam in our inbox, but I cannot ask ...
Israel's user avatar
  • 111
0 votes
0 answers
98 views

Does spam-marked email effect reputation if server is whitelisted?

I send email via SendGrid from outside a company to many employees from one company. This company whitelisted the sender IP address, so that no email we send is automatically marked as spam. If some ...
Werewolve's user avatar
  • 101
1 vote
0 answers
282 views

Gmail detecting mails as spam [Postfix]

I am running an ispconfig web/mail server and the problem is that my mail ends up in spam at google. I have everything set up rDNS, DKIM, SPF, dmarc, so i dont think that the record part would be an ...
Diogo Jesus's user avatar
2 votes
1 answer
579 views

Why internet traffic behind ISP is not subject to captcha like a VPN?

When I'm using the internet from my ISP 'directly' (I mean with no VPN or proxy), I can surf the web freely and almost never encounter a captcha but as soon as connecting to a VPN service, captchas ...
wiki's user avatar
  • 381
0 votes
0 answers
67 views

Is there a adaptive junk mail control in the Outlook 2016?

I have been using Thunderbird for several months, its "adaptive junk mail control" helped me avoid a lot of spam emails. But recently, I started using Outlook, but I can't find the similar setting. ...
liurui39660's user avatar
1 vote
1 answer
104 views

Our emails are always going to gmail recepients spam folder [closed]

Everytime we sent a email from our Business email account gmail are marking our emails as spam and emails are always going to recepients spam folder. I tried to send email to gmail from webmail ...
Johnny's user avatar
  • 111
6 votes
1 answer
3k views

All name servers should resolve to IP addresses

when i check my domain for spam in https://toolbox.googleapps.com/apps/checkmx/check?domain=mydomain.com i am getting error All name servers should resolve to IP addresses. Name servers that don't ...
user3797053's user avatar
0 votes
1 answer
4k views

Emails to a specific address are bounced

I have been having issues with my emails to a particular client being bounced. I sent two emails today - the same email to two mail addresses in the clients .com domain. The first was sent to fred@...
rossmcm's user avatar
  • 1,596
2 votes
1 answer
2k views

Why my emails go to junk folder?

I registered a new .xyz domain name a few days ago. The domain name was never registered by others before. I set up a postfix server on a clean ip(checked its reputation). I set up SPF, DKIM, and ...
peter's user avatar
  • 393
0 votes
1 answer
33 views

Black listing methods for spamming emails [closed]

If someone gets access to your server and setup an e-mail spam service. Will the online black listing services than block this individual ip address that this server uses, or will they black list your ...
Cristian Matthias Ambæk's user avatar
1 vote
1 answer
75 views

How to detect if an Email was sent with Tracking Software?

I'm seeing more and more blank or meaningless SPAM emails (No attachment, link, Advertisement, or Phish attempt) sent to my employees. I assume they are sent with tracking software just to see if ...
TheDangletron's user avatar
0 votes
1 answer
10k views

Receiving thousands of "Mail delivery failed: returning message to sender"

I am receiving thousands instances of the following error message: "Mail delivery failed: returning message to sender" I research this problem and it seems that someone has sent a bunch of these e-...
Marko Gulin's user avatar
0 votes
2 answers
528 views

Preventing spam website to open tabs, popup and url automatically

If you visit https://1337x.to or https://ilcorsaronero.info/cat/1 with Chrome (v. 62.0.3202.94) some pages will be automatically be opened even if the popup setting should prevent this from happening. ...
Revious's user avatar
  • 355
1 vote
1 answer
90 views

RSS feed GET spam causes server CPU to run at 100%

I just transferred my site over to a new host and am seeing a tremendous amount of RSS feed spam. Inside of my Apache logs I am seeing a bunch of GET requests to an RSS feed URL that doesn't exist (...
Gary's user avatar
  • 13
0 votes
1 answer
206 views

Junk Mail folder in Outlook 2016 with MS Office 365 Pro Plus

For my corporate email, I use Outlook 2016 version 1705 on Windows 10 - This is the Outlook I download using the subscription of Office 365 Pro Plus. Is there a way to block email ids or domains ...
user93353's user avatar
  • 573
0 votes
0 answers
1k views

Microsoft Outlook/Office 365 create and run script to create rule on all emails in a folder

TL;DR look at the stuff in bold. My university uses Office 365 for its email services. Unfortunately, either I accidentally put my e-mail out on some malicious site or someone who doesn't like me did....
Jack's user avatar
  • 101
2 votes
1 answer
2k views

How can I filter emails by IP in Thunderbird?

I use Thunderbird for my email. As of lately, I'm constantly receiving plenty of spam from the same block of IP addresses. I cannot block them at the firewall (neither my own PC's firewall, nor the ...
Joe Pineda's user avatar
0 votes
0 answers
51 views

what sort of mac/chrome hack could produce this kind of spam?

this is obviously spam. things like this happen randomly, but not often, on this macbook (el capitan) in chrome (61.0.3163.100). I have no idea where to start looking. I installed malwarebytes, it ...
commonpike's user avatar
1 vote
1 answer
184 views

Email sent via domain name address rejected as spam

I'm new to the site and this is my first question. I hope it's OK to post here as I'm not an administrator, just an ordinary computer user! This is my problem - For my work, I use an email address ...
Sandra's user avatar
  • 11
1 vote
0 answers
69 views

server send spam mail through gmail connection

i have a batch of spam mail sent by my server (ubuntu postfix /dovecot) in my log i see that gmail (account is linked) connected and sent the mail ? what should i do to prevent this ? Jul 31 12:27:5 ...
John Papadopoulos's user avatar
0 votes
2 answers
639 views

is our dynamic IP causing our mail to go into spam, despite clean mailserver?

Recently, we are having contacts reporting our usual business email going into their spam folder. For sending email (with thunderbird), we connect to our email server (hosted by webland.ch) using a ...
1NN's user avatar
  • 7,429
0 votes
2 answers
175 views

Warning : Zeus Virus Detected

It happened many times to me and every time I lose some unsaved work. Some times I open a website that it will automatically takes me to a spam site that shows a message box that says Warning : ...
asmgx's user avatar
  • 305
2 votes
1 answer
88 views

How do I know I've marked a message "not junk"?

Thunderbird's documentation regarding the junk filter indicates that in training the filter it is important to advise Thunderbird as to what messages are not junk as well as what messages are. One ...
Deep Thought's user avatar
0 votes
0 answers
199 views

In DMARC report other IPs than mine fail check, but disposition is always "none"

I have trouble to understand the DMARC reports I receive. In all reports, I get some IPs that are not mine sending a couple of emails, fine, their checks (SPF or DKIM) always fail, but still the ...
sebpiq's user avatar
  • 163
1 vote
1 answer
40 views

Creating filter which sends error mails back [closed]

In the next year I want to set up a personal email server with custom domain etc. For spam issues, I want to create an email filter which sends in case of spam the exact same message back, like it ...
MaestroGlanz's user avatar
0 votes
0 answers
60 views

How can I limit the number of mails sent from a specific email account in cpanel or WHM

I have a spam issue with an email account. Undelivered emails are being returned to the mail box. These emails were not sent from the box. Its seems someone or something is bouncing the emails off ...
Edwin Okugbo's user avatar
0 votes
0 answers
179 views

MS Outlook: Delete mail when manually marked as junk

When email fails the junk filter and shows up in the inbox, if one marks it as junk, it still goes into the junk folder. It would be nice if that action would cause the message to actually get deleted,...
OsakaWebbie's user avatar
1 vote
2 answers
1k views

How to reliably block "Come here often ? Make Google your home page." popup?

When I do google search I see this popup from time to time on search results page in upper right corner: From this question on SO I knew that it's appearance depends on cookies set by google and ...
ks1322's user avatar
  • 457
0 votes
1 answer
149 views

Ubuntu with plesk 17 spamassasin not working

at the moment I got very much spam mails. All of them are polish and have a spamscore of more then 5.5. So I thought yeah easys just adjust spamassasin in my plesk panel to 5 and the spam is ...
Felix's user avatar
  • 131
2 votes
1 answer
271 views

Receiving a loads of bounces of spam that we didn't send. How to stop this?

We have a mailbox that receives thousands of bounces from spam messages a day (for 2 weeks now). The spam is send with the from and reply address of the our mailbox in the headers. The spam is ...
Bo Pennings's user avatar
0 votes
1 answer
2k views

How to block domain and domain extensions on Outlook 2010

I am getting everyday tremendous amount of junk mails. Some of the senders are as follows. [email protected] [email protected] [email protected] affiliate@...
Johnny's user avatar
  • 1
3 votes
1 answer
4k views

Mail forwarding: Do I need to concern myself with the SPF fail header from Google?

I'm using a Postfix mail server to forward personal mails from an EC2 instance to a Gmail account. To prevent Google from considdering me a source of spam I have set up all the ...
Mats's user avatar
  • 133
2 votes
1 answer
3k views

spamassassin - filtering specific Cyrillic/Russian UTF-8 letters (base64 encoded)

I am having some trouble setting up my personal spamassassin rules. My problem: I get a lot of Russian spam with Cyrillic letters, many in UTF-8. Because of that, searching for a charset is not ...
nox's user avatar
  • 216
0 votes
0 answers
348 views

Why am I receiving every spam mail twice?

For about a year now, I have noticed that almost every junk mail I get comes in is duplicated -- the exact same mail, received at my email address twice, about 3 minutes apart. I've checked for ...
KutuluMike's user avatar
1 vote
1 answer
83 views

Outlook live - spam rules

I am getting spam from an address which changes everyday. Usually in the form [day][month]@mail[randomnumber]-online.info eg [email protected] or [email protected] It happens since ...
Aulaulz's user avatar
  • 113
1 vote
0 answers
53 views

Outlook email with "Dropbox" header

it's my first time here. My official email (I'm a PhD student) got spammed by "Dropbox." I cannot receive emails and when I send ones they are sent under the shown header. I even deleted my dropbox ...
equinox's user avatar
  • 11
1 vote
1 answer
857 views

Use Gmail spam filters with another email

My hotmail account is receiving so many spam emails, the filter isn't working as well as it used to. I have turned it on to Executive so that only those in my contact list can only get through to the ...
Abu Nooh's user avatar
  • 165
0 votes
1 answer
451 views

block spam containining link to http://6url.ru/ on windows 7 microsoft outlook pc

we receive alot of spam which is always from a new (spoof) address but contains a link in the body of the email which is always similar. the link always starts http://6url.ru/ and then has some ...
the watchmaker's user avatar
0 votes
2 answers
2k views

Finding source of supposed spam emails on Linux

I rent a VPS from OVH. It runs Ubuntu 16.04. My provider has emailed me, via its automatic reporting system, and claims that my server is sending spam. An example snippet from this report: Our anti-...
Rob Pridham's user avatar
0 votes
1 answer
234 views

I received an out of office reply for a domain I own but for an address that I do not have setup

My domain (let's call it acmecorp.com) is setup with a wildcard such that *@acmecorp.com redirects to my primary email [email protected] Having recently received the following email I am wondering ...
xxx's user avatar
  • 103
1 vote
0 answers
246 views

How to Block Spammy Accept-Language in either Apache or Nginx

Stevie-Ray has create a neat Nginx Referral Spam configuration file to block out known referrer spam on Google Analytics. https://github.com/Stevie-Ray/referrer-spam-blocker Sure it's a cat and mouse ...
Moe's user avatar
  • 569
0 votes
1 answer
113 views

How to set Microsoft Exchange 2013 to mark off-domain Emails as spam

We're getting emails with "[email protected]" or "[email protected]", but do not have no-reply as a mailbox. Is there a way to say anyone without a mailbox with our domain reject as junk or spam? I ...
Brett Nelson's user avatar
0 votes
0 answers
312 views

How to make Gmail obey `X-SES-Spam-Verdict`

I recently transferred a domain to AWS SES and now most users are getting spam in their inbox (false negatives), even though SES spam filtering correctly flags all such spam with the header X-SES-Spam-...
Kimvais's user avatar
  • 4,768
0 votes
0 answers
1k views

Captcha required using my static IP address

Everytime I open one of many websites, I have to pass the captcha challenge, I have a static IP address for my Sisco 1900 series fiber optics connection, and another static IP address for the ADSL ...
mohamed87's user avatar
  • 241
2 votes
1 answer
3k views

How to restrict or block mail with embedded images being automatically displayed in Outlook 2016?

I'm getting a few emails that bypassed the spam filters and while I have the automatic downloading of images disabled, these e-mails display inappropriate pictures using embedded images. Viewing the ...
Kcoder's user avatar
  • 171
3 votes
2 answers
4k views

SpamAssassin gives the HTML_IMAGE_ONLY_12 label although we don't send images in emails

So we did some SPAM tests on the emails we're sending, and SpamAssassin gives the HTML_IMAGE_ONLY_12 label to this email. The description says This may indicate a message using an image instead of ...
Petruza's user avatar
  • 3,873
0 votes
1 answer
543 views

How to locate spam php scripts

Most of the shared servers might be facing the issue of fake PHP code being injected in their sites which may lead to generation of spam mails, redirection to a different site, creation of social ...
peepeep's user avatar
  • 109
3 votes
1 answer
490 views

Does marking junk mail in Thunderbird train external filters?

If I take the trouble of marking mail als junk/spam, I want to maximize the effect of that effort. Does marking emails as spam only train my local filters, or are signals/patterns send out to other (...
Jan Doggen's user avatar
  • 4,218

1 2
3
4 5
9