How to block spam emails – Blog

How to block spam emails

Cut down on the spam in your email, be diet with these tips

There are few worse things to start your day than sitting down at your computer with a warm cup of coffee and opening your email, only to see a glut of spam messages spill out in front of you. Advertisements, chain letters, and outright scams can overwhelm your inbox every day, and deleting them can seem like an endless game of whack-a-mole. The first thing to notice is that you will never be able to stop all spam. No matter how regularly you wash your hands, you’ll eventually get sick, and the only force on Earth more persistent than bacteria are spammers. Still, if you choose the right precautions, and put in a little work, you can trim your incoming spam emails to a manageable amount. Here is how.



Most free mail services have built-in features to secure against spam. Your free mail service may automatically assume certain incoming emails as spam based on various factors — such as specific, “spammy” words in the message, or use of attachments — and you can “train” this filter by manually marking any spam that makes it through. In Gmail, for illustration, when you open a message that you consider spam, you can open the drop-down menu next to the reply bottom in the upper-right corner, then click Report spam.

This will bring the email in question to your spam folder, and, more importantly, sends data to Gmail so that its machine learning programs can more accurately detect spam.

You can again set spam filters yourself. If you identify yourself getting a lot of spam with common themes — perhaps you get a lot of offers about jobs where you can make $500 a day working from home — you can set up a filter to send such messages directly to your spam folder.

If using Gmail, for illustration, click the gear icon in the upper-right and click Settings from the resulting drop-down menu.

Select the tab labeled Filters and blocked addresses. Under the heading The following filters are employed to all incoming mail, you will see all the filters you have applied — or none, if you haven’t.

Click Create a new filter to open a window where you can establish certain things that you consider to be spam.

For illustration, filter out any messages that contain certain words (such as “Work from home”), or any messages that include attachments greater than 2MB in size.


Not all unwanted emails are malignant; it’s fair that much of the clutter in your inbox consists of commercial messages, such as when a clothing store sends you a promo for an upcoming sale. Although these can be irritating, it’s easy enough to opt out of them. Under U.S. law, commercial emails must consist of “a clear and conspicuous explanation of how the recipient can opt out of getting email from [the sender] in the future.” Many such emails will feature an “unsubscribe” button, usually near the bottom of the message. While it may be irritating to have to go into an email and look for the unsubscribe button, once you do, you won’t need to worry about receiving emails from that sender later on.


One of the strongest precautions you can take to cut down on spam is to keep your free mail address as private as possible. If you have a work email, simply give it out to people you know professionally, and avoid posting it on popular sites or social media services — if your job depends on maintaining an online presence, this might be difficult. Maintain a separate email address for commercial purposes (such as when a corporation or restaurant offers to email your receipt rather than print it).

It will likely be unreasonable to prevent every spam message from reaching you, but following the tips above should help stanch the flow.


If you prefer an additional layer of protection beyond what your email client provides, you can also install software specifically to filter spam from your inbox. If you’re considering for free spam-filtering software, you can utilize applications such as Spamhilator (Windows) or SpamSieve (MacOS), both of which can connect to your email client and may offer tools that email clients don’t, thus providing you a higher detection rate.

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