Gmail POP3 Checker

This is a user script you can download and install into both Chrome and Firefox which allows you to change the settings in Gmail so that your external accounts POP3 faster than the default of once every hour.

The default settings consist of POP3 requests once every 12 minutes, with the option to manually click on the countdown to POP3 immediately. To unlock the additional settings with the ability to POP3 as few as once every 3 minutes a donation of a nominal amount is requested. If you don't wish to donate, the default settings will still enable you to POP3 faster than the default POP3 feature in Gmail.

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Install

Chrome

  1. You must be running Chrome.
  2. Install a third-party script which allows User Scripts to be installed called Tampermonkey. Tampermonkey may require you restart your browser after you install it, so you'll need to come back to this page afterwards.
  3. Install my script. The script will ask you to confirm and accept you want to install it.
  4. After installation is complete, you will need to load Gmail or refresh your browser if you already have it open.
  5. The first time the script loads the settings pane will appear. If you want to get back to the settings in the future, you can do so by clicking on the tiny down-arrow next to the countdown.

Firefox

  1. You must be running Firefox.
  2. Install a third-party script which allows User Scripts to be installed called Greasemonkey. Greasemonkey will require you restart your browser after you install it, so you'll need to come back to this page afterwards.
  3. Install my script. The script will ask you to confirm and accept you want to install it.
  4. After installation is complete, you will need to load Gmail or refresh your browser if you already have it open.
  5. The first time the script loads the settings pane will appear. If you want to get back to the settings in the future, you can do so by clicking on the tiny down-arrow next to the countdown.

Other Browsers

I do not support installation in other browsers or old versions of Chrome or Firefox. However, it is possible you could get the script to install in other browsers that support User Scripts or have third party add-ons to install User Scripts similar to Tampermonkey or Greasemonkey.

View the most recent Change Log. Downloading and/or installing this script signifies your acceptance of the Terms of Service. This work is distributed under the W3C(R) Software License in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Copyright © 2015 Daniel Slaughter, LLC. All Rights Reserved.

Frequently Asked Questions

Will your script check more than one of my POP3 accounts?

The script will check every POP3 account you have entered into Gmail under Settings > Accounts and Import > Check mail from other accounts (using POP3).

Will the script continue to quickly POP3 my emails when I close Gmail or by browser?

No, the script only works while Gmail is open and it is running. If you close your browser or do not have Gmail open, your POP3 interval will return to the default of about once per hour. If you wish to POP3 faster on your phone, for example, you could leave a computer running with the script and your phone should pull in the emails just as quickly as they would any non-POP3 emails.

1,106 Comments

  1. Looking for some advise.
    Was working and now it just shows ‘Loading’
    Only change was I enabled IMAP. Don’t know if this had anything to do with it.
    Thanks. JP

  2. The checker hangs at “Loading…” in both Firefox and Chrome. Using current Firefox and Chrome, current Grease Monkey and Tamper Monkey. Tried rebooting computer, restarting browsers, etc. I am a paid user. Any suggestions?

    • Gmail pushed an update that broke the script. I’ve fixed it, but you’ll need to restart your browser and refresh Gmail to get the update to the script. Let me know if you come across any other issues.

  3. Hey Daniel,

    Awesome script that has worked great for me, but now it is stuck on “Loading”, and I can’t pull up the menu. I am using a HP Chromebook.

    Version 50.0.2661.91 (64-bit)
    Platform 7978.66.0 (Official Build) stable-channel falco_li
    Firmware Google_Falco.4389.92.0

    Tried to uninstall/reinstall TamperMonkey and the script as well, any help would be appreciated, thanks!

    • Hello Zoran – I released an update to the script last night which should fix the problem you were seeing. Thank you for sending your detailed version numbers, that was helpful. To get the update to the script you’ll need to refresh Gmail or restart your browser. If you have any other questions please let me know.

  4. Hi, the plugin seems to stopped working? I have been using it for some time, but I see that it stays in “Loading…”
    I run firefox 45.0.2 (linux), and have manually re updated the script. Refreshed the page, waited, etc.

  5. The script has stopped working as of today for me. It just says “Loading…” and the timer never starts. It was working fine yesterday. Anyone else having this problem?

    • Gmail pushed an update that broke the script. I’ve fixed it, but you’ll need to restart your browser and refresh Gmail to get the update to the script. Let me know if you come across any other issues.

  6. it just says “loading…” today. In the browser console, it says “Unexpected token (“, but I don’t know if this is a Gmail issue, or the POP3 Checker.

  7. Hi Daniel,

    Your plugin was working fine, but seems to have stopped since installing Streak.

    Ideally I need both, is there any way you know to enable both to work at the same time?

    Thanks for your time & help,
    Paul

    • Hello Paul – As great as it would be, I am unable to support conflicts with other plugins. Aside from running two different browsers, one with each of the scripts installed, I do not know of any way to get both running.

    • This is the first I’ve heard of a Tampermonkey app for android. I do not currently have any plans to release it as a userscript for Tampermonkey in Android, but if the demand for it were there I would consider it.

  8. Hi,

    After the install of your script on chrome (windows 10), script installed and shows. The countdown timer doesn’t appear? I refreshed Chrome in gmail and quit chrome, reopen chrome and same no countdown timer. Is there something i missed? Installed on other pc’s no issue. Chrome is that latest version.

    Thanks…

  9. I used your product for years, loved it and and donate. I stopped when I started using Inbox since it was not compatible. Recently saw the work around of leaving a gmail tab open with your product running. Love the option but for some reason when I reinstalled Tamper Monkey and the POP3 Checker, I only see the “loading” message the timer never appears and my email is not received any faster than it was before I installed. I have uninstalled and reinstalled both products, restarted the browser and my computer a number of times. Any ideas for what can resolve this?
    Thanks!

    • Solved this issue. Found an old comment with the same issue. Unchecked “redirect to Inbox” in gmail settings and it works.

      • Can you clarify where you found “redirect to Inbox” in gmail settings? Can’t find it, and I’m having this same issue. Thanks.

    • I’m going to make the assumption that the answer is “Not yet” judging from the result of installing it and it only appearing and working on the standard GMail interface.

      Although, obviously, not ideal, I can keep the standard GMail interface opened elsewhere on a tab and let the script do its thing.

      Thank you for creating and maintaining this script.

      What is my best plan to be updated when you enable support for Inbox? Is my only option to just keep checking back here?

      Again, thank you for this time saver.

      Joel Z.

      • I can push updates to this script, but the new script will be a Chrome Extension and will not be able to be installed/updated from this script. I may put a notice on the existing script (maybe in the settings panel) to inform people of a new script that works for Inbox, or I may need to email everyone who has previously donated.

        I’ve fallen behind on updates to this new script due to some personal items, but I hope to wrap it up and push it out shortly. I do have a beta version I’ve been testing, but there are a few things I need to workout.

    • If you are running Gmail in the background with the script, Inbox will pull in the emails just as quickly. However it will not work if only Inbox is running. I’m currently working on a Chrome Extension (not a user script) which will allow for that.

      • I’ll be really happy to see a chrome extension for google inbox to provide this functionality. Any update on the progress of this or a link we can watch for status updates? Thanks so much for your work on this!!

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