Questions tagged [spam-prevention]
Generally refers to techniques that aid in avoiding receiving any email or message that is either unwanted or unsolicited.
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Recieving spam mail that is addressed to someone else
I keep getting replied spam emails which are being sent to other users. I checked the header and bcc fields, I am nowhere in those.
This is the scenario:
FROM: [email protected]
TO: [email protected]
Thing is,...
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How did Google search enter as top item in my Firefox address bar?
Since recently, Firefox (now on 78.4.1esr on Debian stable) is showing me a top-option to enter Google when typing things in the address bar.
Needless to say, Google is not my default search engine, ...
user281318
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Foxit Reader - How to get rid of the feature advertisement box, which interferes with scrolling?
Just above the scroll bar, there is a rectangular area that I am constantly accidentally hitting, which expands when you place your mouse over it, blocking you from being able to press the top arrow ...
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Stop all emails that contain multiple dots after the @ sign
I look through my junk folder in Outlook, Yahoo, and Gmail, I saw a lot of spam emails. I bet most of you guys probably face these issues too.
Ex. [email protected]
...
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How is it that Email Marketing Platforms like mailchimp are able send emails from me without me giving them my email password?
Mail Chimp, SendinBlue, and etc are email marketing platforms that can do email blasting. I noticed that they are able to send an email and mark it as 'From' my email. Its very weird to me as i never ...
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Is it practical to run a private SMTP server on a static IP in 2020/2021?
I have a small piece of static IP4 space (5 IPs, /29) and general Linux sysadmin capabilities. I have run SMTP servers before, but I don't know what the current state-of-the-art for email and spam-...
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POP3 on Gmail doesn't retrieve spam email from outlook
I have pop3 on Gmail but it retrieves emails from outlook only from inbox folder but not from the spam folder. Is there a way pop3 to sent the spam emails (which some of them are not spam) to my Gmail?...
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"This email is from an external mail server etc." <- can I get rid of this?
On many (but not all) of my incoming email messages, I see a message saying:
This email is from an external mail server, be judicious when opening attachments or link
My mail server is - ...
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How to automatically recognize & move spam emails
There are lots of spam emails in my inbox, but there are also several normal emails and other useful emails among them.
Is there any way to automatically recognize spam emails and move them to another ...
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Do spammers actually make subject lines such as "[SPAM]"? Or is this added by some filter?
I have a Gmail account. Today, I had received a spam message whose subject line was actually "[SPAM]". Is this some new kind of "trick" by spammers, or was the subject line determined to be 100% sure ...
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antispam PTR checks against what domain
PTR checks the domain IP address to validate sender address.
But against what? the SMTP HELO hostname?
Or against email domain?
for example if I send an email from [email protected] from a SMTP server ...
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Hotmail connected to Outlook - all messages are marked as spam but only from Outlook
I have an issue where by a colleague has a hotmail.com account, which has been upgraded to a premium one recently.
This is connected to Outlook 365, alongside his corporate Office 365 email account. ...
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Outlook strips out safe senders
I am a software engineer and wrote a Web API that has system generated mail messages that get sent when a user "requests more info" on the website. This generates 2 messages, one on the requester ...
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My business email suddenly goes into spam with majority of people I email for the first time
The email address I use for business correspondence goes to the spam folder (Gmail, Hotmail, Yahoo) for the majority of people that I email for the first time.
To be clear, I am not involved in any ...
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What would be a safe way to block these SPAM e-mails? [closed]
In the last month, I've been getting numerous e-mails which all follow a clear pattern (well, it's clear to a human eye, at least). They are sent from e-mail addresses such as:
amzn.2.gmsu.70155@...
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How does the use of port 587 stop spammers?
I see that that ISPs are starting to push users to use SMTP port 587 instead of old port 25. Spam usually appears in the ISP's reason for this need. My question is "how is this going to stem the spam ...
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Spam Email from me to me
I have just received an email with the from address being the same as my own email address but Google has correctly classified it as spam and it went straight to my Spam folder.
The content of the ...
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what's the difference between using RBLs and anti-spam software?
My doubt is, is it too different to use RBLs instead of anti-spam programs? (like SpamAssassin)
I've a Postfix + Dovecot server with some RBLs in Postfix, and disabled SpamAssassin because it was ...
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How to filter an email type to prevent it from occupying even the spam folder? [closed]
I receive daily messages in my Gmail with the same subject: "Sales Boom".
Gmail correctly detects these messages as spam and sends them correctly to the spam folder.
Even so, I would like to know if ...
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Postfix is forwarding/relaying spam
I have an Ubuntu 16.04 machine with Postfix 3.1.0 and virtual mailboxes (iredmail).
I'm using postscreen (with a local Bind server), Amavis with ClamAV and SpamAssassin.
The amount of received spam ...
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Outlook POP3 cannot receive Junk mail folder, how to work around this?
I have identified a misconfiguration in the way e-mail is set up at my workplace. We use POP3, and the accounts at our e-mail provider are set to move spam to a Junk mail folder. I have just learned ...
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Can certificate issues cause your IP to get blacklisted by spamfilters?
I have been googling on this topic for over a solid hour now and can't seem to find an answer.
At my work, all employees get the following (good old) warning whilst firing up their Outlook clients:
...
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How to leave a Google Shared Drive that I'm not editor
Today I opened my Google Drive and a Shared Drive with the name ### Get a $1,000 Per Month appeared. This drive has only one file in it, a Google Slides presentation named Get a $1,000 Per Month.
...
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Strange activities involving fake email address within a domain of mine
I am currently experiencing something that might be construed as an attack, and am wondering what, if anything, I should do about it.
First, a bit of background. I am the long-term owner of a .com ...
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Where does thunderbird store the training data for its adaptive junk mail filter
Thunderbird has a junk filter which can learn as you mark more and more mail as junk.
I want to know what is the name of the specific file in the thunderbird profile containing the training data of ...
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Replying to an email with a + extension
I sign up for accounts using “[email protected]” and this is all fine and good. I just want to know how to reply to emails using that custom extension rather than “[email protected]”
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Run junk mail filter on inbox
I currently am running outlook office 365 ProPlus
I simply want to run the junk mail filter that comes with outlook against all the existing emails I have in my inbox. It only applies the rule on new ...
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Exchange 2016 x Cannon scan - Message rejected as spam by Content Filtering - sometimes
I am running Exchange 2016 and I am facing a trouble with scanned emails from Cannon scanner.
Emails from customers scanner with scanned pdf file are blocked by my exchange
550 5.7.1 Message ...
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How to hide email recipients without BCC/spam
Silly question, but I have emails that I want to send to several people at once. But I don't want the recipients to see who is included in the email, as the material is somewhat sensitive.
However, ...
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Most effective way to get rid of existing spam mails in thunderbird? API? [duplicate]
I have my own mail server (hosting package) on which spam assassin is installed, which basically does no help at all. I get a LOT of spam mails, between 50 and 100 daily. All from a different sender/...
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Guarantee email deliverability
We are using Zoho Mail in our company and so far the experience was great. But recently we have faced an issue of not getting our emails delivered to the new company we are now working with. One of ...
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Gmail and others recognize my emails as spam
I have mail set up on VPS. Everything checked 10x. Dns entries, testers, open blacklists etc. etc. and all my messages are sent to spam :(
Why?
Here are the results of online tests - it's look fine
...
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Why do parts of a Spam Email disappear, when I move the email from the Junk Folder to any other Folder; including the Inbox folder?
I have received a Sextortion/Extortion email, via my Hotmail Account, which landed in my Junk Folder. The email basically claimed that they had accessed my computer where they had obtained vulnerable ...
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This IP was already used for a trial - spaming admin email
I use amazon lightsail and I get a lot of generated emails saying:
"The IP .... was already used for a trial license on 2019-03-13"
Where the IP changes to different IPs. The emails are from my cron ...
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Emails are automatically sent to Chinese addresses - scam/spam/virus?
My IT-colleagues have noticed that a (non-IT) user in our work network has some strange things going on in her mailbox.
In the user's sent folder we noticed a bunch of emails with all Chinese ...
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Block emails from TLD on Outlook 365 w/o Junk, 3rd party programs, or scripts?
Is it possible to block an entire TLD in Outlook 365?
I've been getting a ton of spam emails lately, and I want to set up rules to automatically delete them. I set up a rule to block certain TLDs, ...
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Once a wide variety of spammers have an email address is there any way to recover it without using aggressive spam filtering
When I first set up my email address I got very little spam. I am not a fan of spam filtering in general and I prefer to manually check the spam; however I made some mistakes over the years including ...
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Spam Filter Blocking or something on users side of things?
Spam Filter is designated some email as blocked. This sender has sent us email in the past. The reason it was blocked was:
"Domain of tbu****s@mc**-ar**.com does not designate 54.2*8.***.9 as ...
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What authorizing entity excludes your e-mail to be tagged as spam?
Right now we have this project that periodically sends e-mails to more or less 16,000 people. These emails are work related and the recipients need these e-mails for their work.
I have read somewhere ...
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Understanding Bitcoin addresses
I see a lot of scams listing bitcoin addresses to pay money into, and I'm wondering how feasible it is to block some instances of spam based on these addresses, but I confess to having only a passing ...
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How to get my Debian server delisted from RBL
My server running on Debian 7 (wheezy) was listed on an RBL (Realtime-Blackhole-List) for spamming email (twice).
I have changed root password, installed spammassassin, reconfigured postfix to ...
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email marked as spam even with DKIM, SPF and DMARC headers
I've configured a Postfix + Dovecot email server. I took care of SPF, DKIM, DMARC and added appropriate headers to the message. I haven't used the machine for 2 years, so it can't be blacklisted from ...
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Odd spam from a named contact but incorrect email address
This morning, I received an email. This is a screen shot.
I keep getting emails like this.
The original forwarded email is from a real friend. The From and To are accurate email addresses. However, ...
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How do I make Thunderbird automatically mark as spam all emails which have any emoji characters in subject line?
This year I've started receiving spam emails which are very easily identified by containing emoji symbols in the subject title. I tried filtering them one by one, but the spammers just keep using new ...
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How to effectively filter spam emails that have two '@' symbols in the address?
Apologies if this has been addressed before. We are seeing a companywide uptick in spam emails with attachments that use the following syntax for the 'From' email address (I apologize again that this ...
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postfix/dovecot, other domain is using our server to send spam
Our server is being used to send spam from an account that doesn't belong to our domain. This account is sending emails to other domains and it is affecting our IP reputation.
log:
Nov 20 06:31:42 ...
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Work emails going to recipients SPAM folder instead of inbox
I am having an issue with emails coming from my employers email domain (@poweron.com) ending up in recipients SPAM folder instead of their inbox, here are the details.
On monday, the sales manager ...
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Group policy to block office macros
my organization has a windows 2016 server standard edition and i'm wondering how to go about adding a group policy to block office macros. I've seen a lot of other posts using user config > ...
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Specific emails always go to Junk Email in Outlook
I receive status emails from my Websites regularly that Outlook always sends to Junk Email, even though I've told it to "Always trust emails".
The emails are from WordPress wordpress@<mydomainname&...
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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:
...
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