How does Gmail native unsubscribe link work? - gmail

When using the 'unsubscribe' in Gmail, what happens behind the scenes?
I would like to identify any users who have clicked the native unsubscribe link vs the one in the email footer.
Haven't been able to find any breakdown on what the unsubscribe technically means.
This article doesn't go enough detail to understand what, how and where information from Gmail is passed.
https://support.google.com/mail/answer/8151?hl=en&co=GENIE.Platform%3DDesktop#:~:text=getting%20these%20emails.-,On%20your%20computer%2C%20go%20to%20Gmail.,click%20Unsubscribe%20or%20Change%20preferences.

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Direct link to newsletter - kentico 9

We are using kentico 9 at work for our website.
You can subscribe to our newsletter using a "box" which is integrated all the way down on our homepage.
However, I would like to have the opportunity to share a direct subscription link on social media so people can click on it and subscribe to the newsletter.
Now, I have to invite people to go on our website and to go down the page to subscribe which is inconvenient (nobody is going to do this).
I can't find a way to get a direct link (I'm not a developer).
Does anybody know how I could do it ?
Thanks in advance ! :D
Anne
If someone want to subscribe to newsletter, he/she must provide you with email address and I'm not sure that can be done with direct link, because you are not aware of user email address (your target group is unknown group from social media).
You can set up anchor in 'subscribe to newsletter' link, which will automatically scroll down your page to box at the bottom, but I don't think that is the best solution. Maybe, to create a new content page, with only purpose to subscribe users to newsletter (have some introduction text, and widget for 'newsletter' where users can subscribe). I don't know is that what you are looking for, but it is nicer solution then asking people to scroll down and subscribe to newsletter.
Best regards,
Dragoljub
My suggestion would be to create a specific landing page with that signup form on it. This way you can have a link you share in social media that takes them directly to that page and allows them to put in their info (first, last and email) and sign up for that specific newsletter. This way it's a specific call to action on that page and allows for the user to only do one thing.

Branch.io: Extract custom value from link

we're facing a problem right now: We're using the SMS gateway feature from branch.io which simply does not work properly worldwide (e.g. Lituanian cell phones won't receive any messages at all).
Therefore i need a fallback method for people that cannot receive an SMS to their phone with the downloadlink in the Appstore. (The branch.io Links have an effect on the branding of our app)
The fallback is to let them use a voucher code which COULD be generated from a custom value that we store for each Link
This is an ordinary Link with its 2 custom values
The landing page http://learnmat.ch/spark7 opens in the browser and i'd like to be able to identify the SponsorID on the website so that i can return a voucher code that is suitable for the specific SponsorID of the Link.
Right now i've already integrated the Web SDK into the website.
Is that "reverse engineering of the SponsorID" possible based on the Link and the WebSDK integration?
I'd really appreciate your help!
Thank you,
Sven
Jackie from Branch here.
Our SMS page service supports international numbers but only if the number the SMS has to be delivered is in the same country the SMS is being sent from. Could you please make sure the sender is physically located in Lithuania? I'd also suggest creating your own Twilio integration if you want to bypass these restrictions we have on our system https://docs.branch.io/pages/web/text-me-the-app/#use-your-own-sms-service
Regarding your fallback method: you want to have users click on a Branch link that will open your website and based on the link data (sponsor ID), you want to provide them with unique voucher codes? If my assumption is correct, you can achieve this by custom event tracking and user identity tracking. (relevant docs: https://docs.branch.io/pages/dashboard/analytics/#user-value-attribution)
Hopefully, this helps. Let us know if you have additional questions about the info above, or about anything else related to integrating Branch.
Best,
Jackie Choi

Unsubscribe link not shown in gmail

Am sending a mail to gmail.com with a header.
MimeMessage.addHeader("List-Unsubscribe","<http://www.example.com>");
Eventhough the header is present in original content of the mail, unsubscribe link is not shown in mail. Kindly advice.
As my understanding from Google Support Link you need to have prepare some conditions like your try and Amazon Recommendation but finally google decided for show unsubscribed link in top of your emails.
Also, based on Official Gmail Blog:
This only works for some senders right now. We're actively encouraging
senders to support auto-unsubscribe — we think 100% should. We won't
provide the unsubscribe option on messages from spammers: we can't
trust that they'll actually unsubscribe you, and they might even send
you more spam. So you'll only see the unsubscribe option for senders
that we're pretty sure are not spammers and will actually honor your
unsubscribe request. We're being pretty conservative about which
senders to trust in the beginning; over time, we hope to offer the
ability to unsubscribe from more email.
How did you expect it to be shown? Where did you look for it?
Gmail, like most mail readers, doesn't show raw headers. It shows the header information it thinks is relevant. If you want to see the raw headers, there should be a "view source" or "show headers" operation to see them. If you view the message source, and this header is not present, then some mail server has removed it.

Using Gmail API to update website when receiving an email

new to programming on the web so bear with me.
I've figured out that OAuth2.0 (the authorization protocol used by Gmail) is used for applications where Site A is given permission to information in Site B (in this case Gmail) by User X.
I am trying to create a website that updates when I receive an email from a specific sender. So, I am not using any of my website users' email information. I'm only using my own. I cannot seem to figure out (or even understand at a high level) how to permanently give my website access to my gmail account without doing some kind of user authentication on myself. What is the high-level process for giving my website this permanent authentication?
Let me know if I can make this clearer. Thank you in advance!
I've never done what you are trying to do, but you may find some useful answers here :)
Getting e-mail ID of sender while fetching mails from Gmail
I hope this helps if not I'm sorry. :)
UPDATE:
After reading that link a little bit more there are parts of it where they are getting the sender. You can always write a code to compare the sender by implementing what you need from that link. :)

How to block spammers from using my public email api

I am working on a web application which allows users to share stuff on a web-page by clicking on an 'email to friend' link; similar to what extole is doing here
http://www.american-giant.com/mens-heavyweight-full-zip-hooded-sweatshirt-product.html
on this page if you click on the email icon near "REFER & GET $15", you will see a pop-up where you can enter your own email and a friends email and can edit the subject of the email. When you click send the data is sent to the backend as json. They are using a plain simple url to do this i.e. http://refer.american-giant.com/v2/share.
The problem for me is that somehow spammers got hold of my url (can't mention here) and now they are using it to spam others by using some sort of a script. What I did is I placed a check in the backend api to block an ip if more than 5 share requests originate from it, but it seems that the spammers have a lots of ips (more than 30,000 from what I counted in my logs) so they are still able to send lots of email. One possible solution is to use a captcha to thwart the spamming script. But I am curious that how extole is doing it. They aren't using any captchas; and they are famous too, so it is unlikely that spammers don't know about their publicly accessible api. Can any one shed some light on this?
Note:
1. I am using a third party email service to send the emails.
2. Users are not required to sign in as this defeats the purpose of sharing on a simple website
3. Users can edit the subject and body, thus these are sent to the api call and this is what allows the spammers to abuse the api with their own stuff.

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