CRX id
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Description from extension meta
Block annoying emails in Gmail™. Say goodbye to unwanted newsletters, individuals, and other uninvited email senders.
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Description from store
"Gmail does an excellent job of blocking spam, but sometimes you just want to go the extra mile and prevent some mail from ever reaching your account." - Lifehacker
"If you’re looking to block unwanted emails, particularly from certain senders who send you unsolicited messages, an extension for Google Chrome called Block Sender is a great solution." - Make Tech Easier
"Makes this process very easy and will prevent you from getting inundated with pointless emails" - Business Insider
Do you get annoying email?
With Block Sender for Gmail™, you can block any email permanently in one click and automatically send a fake error message back to the sender. No more complicated filters to setup. Works for email addresses, domains, subject line, keywords, and even IP addresses. Block anyone.
Try a few blocks for free or upgrade to get advanced features like bounce back messages.
POPULAR USES:
- Block someone from harassing you with unwanted email. Send them a fake "This email address is incorrect" error message.
- Block any newsletter you didn't subscribe for and never see it again.
- Social networks or shopping sites sending you email you don't want to read? Block it in one click.
FEATURES:
- Adds a "Block" button compatible with your Gmail account. When you get a message you don't want, block the sender permanently.
- Automatically create a fake "This email address doesn't exist" error message to appear in the other person's inbox.
- Optionally send a "You were blocked" email when a blocked user contacts you
- Create advanced blocks not natively supported by Gmail, like blocking via headers.
- Anonymous: Blocked senders won't know that the messages they send you goes to your trash immediately, unless you want them to know.
- Flexible: Edit or remove accidental blocks.
- Freedom: Set your blocks to trash messages, permanently delete them, or have them skip the inbox and be archived.
- Advanced Filtering: Block sub-domains, subjects, or even IP addresses when you upgrade.
- Insightful: Flag future messages from the same domain.
AND MANY MORE USES:
- Getting a lot of notification messages from Facebook, Twitter, or social media services you signed up for? Block them all.
- Set up simple filters without having to worry about the cumbersome options.
- Fake your email death for those people you really don't want to talk to. Ever. Again.
- Relationship ended horribly? Never see another message from your ex again.
- Can't block a particular address? Flag all messages from certain domain names or even top-level domains like ".net".
WORKS WITH:
- Gmail™
- Google Apps™
HELP:
About: https://blocksender.io
Support: http://help.blocksender.io
Contact: support (at) blocksender.io
Bugs: support (at) blocksender.io
PLANS & PRICING:
Block Sender has a free plan and pro plans with higher usage limits. It is free to use Block Sender up to a limited number of blocking rules, but unlimited emails can be blocked. Upgrade to our monthly or yearly pro plans to enjoy premium features and 1000s of blocks. More information at: https://blocksender.io/
CHANGE LOG:
v5.X
Migrated to Manifest V3 extension type.
v4.5.X
Support Gmail's new UI / security features and improved error handling.
v4.2.X
Fixed bugs, improved block management, improved canned response support, and support for new Gmail UI.
v4.0.X
Better account support, email linking, and block management.
v3.0.X
Minor updates including languages.
v2.6
Minor updates.
v2.5
New languages supported and new fake email block features.
v2.4
New languages supported.
v2.3
New menus for increasing the free block plan for new users. Bug fixes and improvements with automatic error email message. New languages supported.
v2.2
New filters for upgraded users. Reorganized options page. Upgraded one-time free blocks to monthly free blocks for users who only block a few messages every month.
v2.1
Added additional tutorial help options. Bug fixing for Gmail™ changes.
v2.0
Updated UI and improved the extension architecture. Huge refresh with buttons and options page. Brand new clean design and multiple options for blocking subjects, email, or domains.
v1.5
Fixed bugs with automatic archiving and blocking. Updated UI and parts of the extension for new Gmail™ changes plus recent blocks.
v1.1
Added automatic message archiving, undo, and error messages plus additional blocking features.
v1.0
Initial release. Supports blocking of individual messages.
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Gmail and Google Apps are trademarks of Google Inc. Use of these trademarks are subject to Google Permissions. Block Sender is not affiliated with Google or Gmail.
Latest reviews
- (2025-06-17) james martin: Requires invasive permissions and paid subscription to bounce spam emails.
- (2025-06-11) Bonnie Butterworth: Installed the extension; cannot create an account. I hit "Submit" and nothing happens at all. Can't use the extension if I can't open an account.
- (2025-06-04) Maitryi Das: This email blocker is absolutely fantastic! It’s drastically reduced the amount of spam and unwanted emails I receive every day. My inbox is so much cleaner now, and I can actually find the important messages without digging through junk. It’s easy to set up, works quietly in the background, and has saved me a ton of time. If you're tired of email clutter, this is a must-have tool!
- (2025-04-08) Kevin Matan: You can't get everything for free. Free extensions only do so much and can't be trusted. BlockSender has added an a lot of functionality to my gmail that I've been missing. Support has been incredible. If you're concerned over the negative reviews - read the documentation. This is a great add-on for any Gmail usr
- (2025-03-22) Bill Brown: Works well for me - BUT - make sure you use the "edit" feature to change from Delete to Trash and vice-versa as well as when changing "None/Bounce". I have 240+ "phrases/Subjects/Names" and 50+ domains/emails blocked.
- (2025-03-21) torchy junk: Zero customer support. Have emailed, used their form and no response. Blocks emails that you did not add and there is no way to verify if the tool is working. Blocked emails that should go to trash remain in spam folder - so it really looks like this thing isn't working. Worse, costs a fortune to include several emails. I was hoping the bounce feature would get some persistent spammers out of my mailbox. Who knows? It might be time to ask for my money back.
- (2025-01-18) Chris: Registration was very confusing, I had to go through the proces of adding an account several times before it worked. I was hoping that I could use this to bounce the occasional message, but at a minimum of $49 for an yearly subscription, no thanks. Why software companies no longer sell licences instead of trying to force customers into paying for an expensive or monthly subscription is beyond me. Deleting.
- (2025-01-18) Klaus Neubarth: blocksender.io that is incredibly effective in preventing email stalking. From personal experience, I can vouch for its reliability and effectiveness. Finaly I have a clean inbox. I highly recommend giving it a try!
- (2025-01-12) Boomer: It won't let me sign up for an account. The sign up widow keeps refreshing after I enter and confirm a password.
- (2024-12-22) Kelly Arndt: The extension does not allow me to sign into my account(I am on a Google Chromebook), but I signed up to Block Sender free after an online search and hope the app is working!
- (2024-10-02) Mercy Mwai: App worked very well for me when I was going through a disastrous breakage. It helped me block my ex from all his crazy emails and threats. If you are going through something like that or someone is driving you crazy with emails then I would definitely recommend the app. Customer service also great I had some technical issues when I subscribed and they fixed it immediately. Overall, worth every dime
- (2024-08-27) Maitryi Das: Its definitely a legit app. I used it to block spammers successfully. The filters feature is pretty useful in identifying different ways to block new email ids that someone might create to spam. I also like how multiple accounts can be linked to it so that the block is easily applied across multiple accounts. I wish I didn't have to use Chrome everytime to use this app, maybe it would be worth it to have this app installed on Safari as well? Overall definitely very useful app!
- (2024-06-15) Claudia Clark: What a great service and company. Last year I had a very bad experience with my ex-husband stalking me and sending me horrible emails after our divorce. This app blocked all emails and I never even had to see them come through. This was a huge improvement in my well-being. I love having the control to add/remove any emails to block at any time. The customer service is outstanding as well. Ricky on the support team was especially helpful and went above and beyond with questions I had and great communication throughout the process. Highly recommend!
- (2024-04-29) Rebekka Koskinen (Bekka): Great App, but can't login on the Block Sender Extension for Gmail. Please Fix!
- (2024-04-22) Daniel Detkowski: This app works like a charm, no more annoying spam emails like before! Customer service is top-notch! Ricky was great at setting things up and helping me out! I highly recommend everyone using a Gmail account to use this app!
- (2024-04-17) Daniel Conradie: The applications works wonders and the support team if very efficient, really worth the value.
- (2024-04-04) Nauman Malik: I've successfully used it for a year and blocked several annoying senders successfully. Thumbs up. Great product.
- (2024-04-01) Roberto Saverin: Block Sender is working well and me experience with tech support is excellent !
- (2024-04-01) Roberto Saverin: Block Sender is working well and me experience with tech support is excellent !
- (2024-03-26) Tyler Young: Works well for me. I can see all the junk mail that it blocks in my Trash folder. The bounce back feature is also really nice.
- (2024-03-06) I T: policy_enforced ?
- (2024-02-26) Pete Paccione: Fantastic app to block emails from recruiters! The owner of the app is extremely helpful and willing to add features you recommend!
- (2024-01-30) Mimosyn: It works perfectly! in the first minutes after the configuration it didn't work at all, I was so disappointed and I was starting to feel sorry for using Block Sender, but now it blocks over 50 SPAM and SCAM emails daily!
- (2024-01-11) Ryoichi Morita: It works well.
- (2024-01-11) Ryoichi Morita: It works well.
- (2024-01-05) Keith Martin: Hi, Just over two years ago I suddenly started to receive spam emails in their hundreds! I enrolled with Blocksender and as more spam came into my computer I blocked them and requested to have the false notice sent to them. Gradually over time the spam started to reduce and now I am not getting any at all. If you do your bit and enter every spam email the system works!!! I am now not needing Blocksender so their success has meant they are losing a customer but I would not hesitate in renewing Blocksender if I ever start receiving spam again.
- (2024-01-05) Keith Martin: Hi, Just over two years ago I suddenly started to receive spam emails in their hundreds! I enrolled with Blocksender and as more spam came into my computer I blocked them and requested to have the false notice sent to them. Gradually over time the spam started to reduce and now I am not getting any at all. If you do your bit and enter every spam email the system works!!! I am now not needing Blocksender so their success has meant they are losing a customer but I would not hesitate in renewing Blocksender if I ever start receiving spam again.
- (2023-11-25) Ricardo Alfredo Bambaren Ward: Me siento muy seguro utilizándola ahora en la versión paga.
- (2023-08-22) Linda Rogerville: This app does not work. At all.
- (2023-08-22) Linda Rogerville: This app does not work. At all.
- (2023-08-17) KMBA Inc: Doesn't work, too expensive for just adding a block button... I installed, linked everything, but there is no buttons loaded or anything. Possibly conflicting with another add on, but no error message, tried for an hour, waste of time.
- (2023-08-17) KMBA Inc: Doesn't work, too expensive for just adding a block button... I installed, linked everything, but there is no buttons loaded or anything. Possibly conflicting with another add on, but no error message, tried for an hour, waste of time.
- (2023-08-10) Francesco Wiedemann: doesn't connect with my Google account - making the tool unusable. happy to update review if we can sort this out. please advise
- (2023-06-13) Pete Cornell: It works! I just signed up for the plus plan and tested the bounce feature. It works fine and the bounced message appears legit. Very cool! It's little expensive, that's the only comment I have so far.
- (2023-06-13) Pete Cornell: It works! I just signed up for the plus plan and tested the bounce feature. It works fine and the bounced message appears legit. Very cool! It's little expensive, that's the only comment I have so far.
- (2023-06-12) Emery Hayward: false advertise its not free you have to pay to upgrade it it say free no credit card required stay far away with this extension report the for abused
- (2023-06-12) Emery Hayward: false advertise its not free you have to pay to upgrade it it say free no credit card required stay far away with this extension report the for abused
- (2023-06-03) Don Putnick: I was the victim of an email bomb that signed me up to a bunch of spam including porn. I tried to manage it on my own with Gmail filters, but it wouldn't block IP addresses. I subscribed to Block Sender and it solved my problem. I hardly get any more spam these days. The one additional feature I would like to see is the number of times each block was used
- (2023-06-03) Don Putnick: I was the victim of an email bomb that signed me up to a bunch of spam including porn. I tried to manage it on my own with Gmail filters, but it wouldn't block IP addresses. I subscribed to Block Sender and it solved my problem. I hardly get any more spam these days. The one additional feature I would like to see is the number of times each block was used
- (2023-05-08) J H: Does not work. Claims to register the email account to the app in the extension but when you log into it and try to use it in an email to block, it says that you are on a free account. I have emailed 4 times for a full refund and been totally ignored because I can't use this at all. The lack of contact details and website is very concerning and allows for issues to remain unaddressed. The payment default is YEARLY and not MONTHLY which can catch people out when subscribing if they're not careful and is unusual and suggests this is deceptive.
- (2023-05-08) J H: Does not work. Claims to register the email account to the app in the extension but when you log into it and try to use it in an email to block, it says that you are on a free account. I have emailed 4 times for a full refund and been totally ignored because I can't use this at all. The lack of contact details and website is very concerning and allows for issues to remain unaddressed. The payment default is YEARLY and not MONTHLY which can catch people out when subscribing if they're not careful and is unusual and suggests this is deceptive.
- (2023-05-05) Aron Dale: this doesnt work, also the drop menu with where to clossify the words like - casino - after days of trying each setting the spam got worse by 3x. i think this is because i clicked the check box to notify the spammer. THIS MAKES YOUR SPAM WORSE
- (2023-05-05) Aron Dale: this doesnt work, also the drop menu with where to clossify the words like - casino - after days of trying each setting the spam got worse by 3x. i think this is because i clicked the check box to notify the spammer. THIS MAKES YOUR SPAM WORSE
- (2023-02-27) Nathan Cleary: Not only does this seem to not work but it appears to have been caught up in multiple "no-reply" email back and forths which have resulted in my gmail account being temporarily suspended from sending emails. I have sent an email to the site requesting cancellation and details so no need to reply asking me to send an email.
- (2023-02-27) Nathan Cleary: Not only does this seem to not work but it appears to have been caught up in multiple "no-reply" email back and forths which have resulted in my gmail account being temporarily suspended from sending emails. I have sent an email to the site requesting cancellation and details so no need to reply asking me to send an email.
- (2023-02-20) Steve Bunyan: This extension is brilliant! It gives provides the ability to block spam by pretty much any field you like: AND IT WORKS BEAUTIFULLY. It does lack the ability to select all or multiple blocks and thus change the settings for them en-mass, rather than having to change each block individually which is tedious and time-consuming. I'm confident that the developers will agree and add this simple functionality boost soon.
- (2023-02-20) Steve Bunyan: This extension is brilliant! It gives provides the ability to block spam by pretty much any field you like: AND IT WORKS BEAUTIFULLY. It does lack the ability to select all or multiple blocks and thus change the settings for them en-mass, rather than having to change each block individually which is tedious and time-consuming. I'm confident that the developers will agree and add this simple functionality boost soon.
- (2023-02-08) Candace Spence: I added this extension to block spam emails and I had high hopes but after adding the extension and removing it a few times to try and refresh it, I still only see part of the corner box of operation and makes it very difficult to use. I have since removed this extension and will be looking at another extension.
- (2023-02-08) Candace Spence: I added this extension to block spam emails and I had high hopes but after adding the extension and removing it a few times to try and refresh it, I still only see part of the corner box of operation and makes it very difficult to use. I have since removed this extension and will be looking at another extension.
- (2023-01-31) Herbert Kloiber: Bis jetzt habe ich bei Gmail keine Möglichkeit gehabt Spam-E-Mails zu blocken. Nun, mit "Block Sender" habe ich endlich ein Werkzeug, um diese einfach und sicher abzustellen. Bisher beste Blockiersoftware für Gmail. Finde ich super!