Questions tagged [spam]
DO NOT USE THIS TAG ON QUESTIONS THAT ARE SPAM, we have a special flag for that! Questions about bypassing somebody else's spam filter are also not welcome. And keep in mind that this is a programming Q&A site, not a general computer support site. Spam is the use/abuse of electronic messaging systems (e.g. e-mail) to send unsolicited bulk messages indiscriminately.
spam
1,037
questions
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answers
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Effective method to hide email from spam bots [duplicate]
On my homepage, I'm using this method to hide my email from spam bots:
<a href="admin [at] example.com"
rel="nofollow"
onclick="this.href='mailto:' + 'admin' + '@' + 'example.com'">...
146
votes
5
answers
139k
views
Should I use the Reply-To header when sending emails as a service to others?
Suppose we have an application that acts as a middleman, allowing Company A to send reports to their customers.
Company A → Company B (me) → Company A's customers
After getting the report we send ...
- 9,964
64
votes
10
answers
76k
views
How to spamproof a mailto link?
I want visitors to be able to click on (or copy) an email address directly on my webpage. However, if I could make it (a little bit) harder for bots and other crawlers to get said email address and ...
- 21.4k
55
votes
11
answers
5k
views
how to check if a string looks randomized, or human generated and pronouncable?
For the purpose of identifying [possible] bot-generated usernames.
Suppose you have a username like "bilbomoothof" .. it may be nonsense, but it still contains pronouncable sounds and so appears ...
- 1,111
50
votes
18
answers
21k
views
Blocking comment spam without using captcha [closed]
What are some non-captcha methods for blocking spam on my comments?
- 12.1k
46
votes
6
answers
142k
views
How do I prevent mails sent through PHP mail() from going to spam? [duplicate]
I am using PHP's mail() function to send emails (sendmail process is running). But all the mails are going to spam (in case of gmail). I have tried many tricks that I found on the net but none is ...
- 488
41
votes
12
answers
68k
views
Prevent php web contact form spam
I am an amateur web designer, I have searched on stackoverflow.com and other websites and have found many fixes for this issue I'm having, but none of them have worked (probably because I implement ...
- 413
39
votes
6
answers
2k
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I am creating an email spammer, for an outstanding cause [closed]
In Cuba, web access is extremely censored, so I created a tool that allows more than 50,000 people to browse the Internet through email. Cubans send me an email with an URL in the subject line, and I ...
- 1,856
37
votes
4
answers
23k
views
How effective is the honeypot technique against spam?
By "honeypot", I mean more or less this practice:
#Register form
<style>
.hideme{
display:none;
visibility: hidden;
}
</style>
<form action="register.php">
...
- 19.2k
33
votes
10
answers
54k
views
Preventing bot form submission
I'm trying to figure out a good way to prevent bots from submitting my form, while keeping the process simple. I've read several great ideas, but I thought about adding a confirm option when the form ...
- 1,768
33
votes
6
answers
46k
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SendGrid Emails Getting Rejected as Spam
I'm making a user management system for my app, and I need to send users a "forgot my password" email with a token that lets them reset their account password. I signed up for SendGrid through Azure (...
- 664
30
votes
2
answers
20k
views
Will Setting a Reply To Address at a Different Domain Result in Spam
I send transactional emails from my application on my customers behalf. I'd like for the receiver to be able to click reply and have the reply go directly to my customer, without ever touching my ...
- 28.1k
26
votes
2
answers
7k
views
rails - Choosing captcha plugin [closed]
There are a lot of captchas plugins in Rails and also many types of solutions for preventing spamming and flooding. So it isn't only Rails question.
Let's see what types of plugins do we have:
1. ...
- 673
26
votes
5
answers
3k
views
Sending solicited mass email
Our company does work environment surveys, and these surveys are filled in online. All participants are sent a link to their survey in an email (personal code included).
Some of our clients have ...
- 5,653
24
votes
6
answers
29k
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How to stop Gmail from marking mails sent by my web app as spam? [closed]
I have a simple web application that provides daily financial data. Users subscribe, and we send them an email every day. However, Gmail is marking all of our emails as spam. What should we be looking ...
elan