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33 votes

How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails?

At its root, this is a problem about verifying ownership of an email address, and as far as I know there are only two ways to practically verify ownership of an email address: Send a verification ...
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20 votes
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input type="email" allows test@test, why?

It is valid because test could be a top-level domain and localpart@top-level-domain is a valid email address. See for example Email address, domain part
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  • 556
16 votes

How to remove our IP address from Microsoft's email blacklist?

I have had server IP's blacklisted by Microsoft a few times and I have had them removed reasonably quickly. I noticed that after entering and joining anti spam related services that they recommend it ...
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  • 361
16 votes
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Is there any list of email addresses reserved because of security concerns for any Public Email Service like Gmail / Yahoo?

Here is a list of addresses that you may want to treat as reserved: abuse 1,4 admin 2,3,4 administrator 2,3,4 hostmaster 1,2,3,4 info 1,3 is 3 it 3 list 1 list-request 1 majordomo 4 marketing 1 mis 3 ...
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13 votes

How to use Cloudflare and Namecheap email forwarding at the same time?

Register a free account at mailgun.org add a mailgun MX record to your Cloudflare DNS set up a forwarding rule at mailgun Enjoy.
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  • 251
13 votes

How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?

In short: you can't. Answer depends on the definition of "bots", but if a bot can crawl the e-mail, the bot can hit the link. A bot doesn't necessarily respect robots.txt, or mentioned html ...
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  • 131
12 votes
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What is the use case for Fax links in a webpage?

Computers, mobiles and tablets can send fax's with software, its just like sending an email, it was added to rfc2086 15 years ago but it never took off and as far as I know no major browsers support ...
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  • 32.6k
11 votes
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Why do bots search for / fill and send contact forms?

They search for and fill in every form they can find. They're looking for any vulnerability that they can exploit for their gain. It might be to see if they can gain access to your site or web server. ...
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  • 85.8k
10 votes

Is there any advantage using separate domain for mails?

One purpose is to help protect domains from incidental spam. A good practice by many large companies that have emails generated by users (either directly or via actions taken online) is to have the ...
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10 votes
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How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?

Incorrectly used meta tags Instead of using two meta tags, you should put both values into a single tag. With two tags, some search engines may choose to obey only one of the two. <meta name="...
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9 votes
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How Can I Use An Email Address From A Domain To Register The Same Domain

I suggest that you use your existing email while registering a domain name. When you complete the domain registration process, most domain providers send domain info, account activation links, invoice ...
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9 votes
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Does it really help against spam to replace the "@" with "(at)" and similar practices?

Yes, different email obfuscation methods do work with varying degrees of success. But each has to be weighed with whether they affect the ability for your customers to communicate easily with you. I ...
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  • 1,059
9 votes
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Why is google.com trying to send emails from my domain?

Short Answer: You're seeing internally routed emails in your DMARC reports, for recipient domains hosted on Google GSuite. From the screenshot you share, it seems like these emails sent from Google ...
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  • 451
8 votes

How to get whitelisted in microsoft's email network?

We did two things: Sign up with JMRP via https://postmaster.live.com/snds/JMRP.aspx Sign up with SNDS via http://postmaster.live.com/snds The JMRP application will go through a form and a document ...
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8 votes

How to get whitelisted in microsoft's email network?

The deep link to get whitelisted for Microsoft's email network is: http://go.microsoft.com/fwlink/?LinkID=614866&clcid This gives you the form "Sender Information for Outlook.com Delivery"
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8 votes

How should I handle the problem of people entering others' e-mail addresses without annoying them with "verification" e-mails?

There is not much you can do to avoid verification mails (in case you actually need to store and verify mails at all, of course): if you display it to users or sent mails to that address, you better ...
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  • 209
7 votes
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Why should we prefer table over div when it comes to emailers?

nathangiesbrecht said in comments: Mostly because many e-mail clients have really lousy support for modern HTML. While table-based layouts are incredibly old-school, most e-mail clients will display ...
7 votes

How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots?

Not only can you not ensure it, it's highly likely that the link will be retrieved by programs not under the user's control. Many spam and phishing filters will pre-fetch any web pages linked to in ...
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  • 236
6 votes

Why do bots search for / fill and send contact forms?

I'm the author of the free open source Ostermiller Contact Form which is designed to thwart spammers. I have found that the biggest reason that spammers fill in your contact form is link spam. To ...
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6 votes
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DMARC -- understanding aggregate reports

Are these reports something that can be acted upon? Yes, but most of the information will hopefully be confirming all is OK with your configuration. How Should DMARC reports such as these be acted ...
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6 votes

Why am I getting foreign language spam with nothing to sell nor any links in the email?

I can't claim to know all the motivations of spam bots, but the main motivation is creating links to help SEO. Most of the bots submitting this form don't even realize that it is a contact form. ...
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5 votes

How to forward emails to my custom domain to my Gmail account?

Simple solution: Use http://improvmx.com/ and then set your MX records and you are done.
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5 votes
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My website's email is being marked as spam, how do I analyse a X-CNFS-Analysis email header?

The header X-CNFS-Analysis is added to emails processed by Cloudmark Authority, an email filtering engine, and appliances which use this engine such as Cloudmark Security Platform. In newer versions, ...
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5 votes
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How to bulk delete email accounts from cPanel / my hosting account?

Finally stumbled on the delpop command and cPanel's command-line interface. So, assuming: You have SSH access to your account Your host has installed cPanel in the usual way Then you can delete a ...
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5 votes
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Sent emails pass SPF and DKIM, but fail DMARC when received by Gmail

You'll need to add a Mandrill DKIM record for your domain. The SPF and DKIM pass, but it's based on messages being authenticated for mandrillapp.com, not your domain (ie, the Return-Path domain is ...
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  • 166
5 votes
Accepted

How reliable is email tracking?

Mailchimp's blog post on this is very good. A brief summary: Gmail rapidly downloads and then proxies the image as soon as you load the email, so Gmail's change will not prevent image tracking. In ...
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  • 590
5 votes
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Is it considered spam to set "From: " header to the user's email in a contact form?

Using the user's email address as the 'from' address in a form notification email is not a good idea because it will trigger many spam filters due to a "spoofed" sender. There are two systems which ...
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5 votes

Are .xyz domains usually blocked by mail servers?

What I'm more concerned is if I'd get blocked by mail servers since .xyz was also used for lot of spam mail and what not. You can not control what/how others configure their email systems. Various ...
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