fix: Fix mailing list urls

components/Footer.js

@@ -14,7 +14,7 @@ const socialLinks = [
   },
   {
     caption: "Mailing List",
-    href: "http://eepurl.com/bth1v5",
+    href: "https://buttondown.email/SurviveJS",
   },
   {
     caption: "Gitter Chat",

pages/blog/134-react-finland-interview.md

@@ -70,4 +70,4 @@ A lot of technical development has gone into the conference. Check out [the site
 
 I have a feeling React Finland will be a good conference. That said, it's important we'll attract the right people there, and this is where you come in! Going to the event might be one of the better excuses to visit Finland.
 
-You can [learn more about the event](https://react-finland.fi/) at its site. [Subscribe to the mailing list](http://eepurl.com/dfbVAX) or [follow @ReactFinland](https://twitter.com/ReactFinland) on Twitter to stay in the loop.
+You can [learn more about the event](https://react-finland.fi/) at its site. [Subscribe to the mailing list](https://buttondown.email/SurviveJS) or [follow @ReactFinland](https://twitter.com/ReactFinland) on Twitter to stay in the loop.

pages/blog/36-survivejs200.md

@@ -81,7 +81,7 @@ In order to keep the effort sustainable I've been forced to think about financia
 
 As a result I've been thinking about an alternative model that would support the current setup. I would love to build an "inner circle" of supporters. You would gain access to a private Slack at least and gain early access to new content. You would literally help me guide the effort. You would get all this against a monthly fee (say $20) and you could opt-out any time you want.
 
-If you want to participate in a supporter scheme like this, [sign up to the supporter mailing list](http://eepurl.com/bQAeuH). Signing up doesn't bind you to anything. This is more of an experiment to see if there are people interested. Provided there are enough, it will make sense to go ahead with the scheme and build a real business around this.
+If you want to participate in a supporter scheme like this, [sign up to the supporter mailing list](https://buttondown.email/SurviveJS). Signing up doesn't bind you to anything. This is more of an experiment to see if there are people interested. Provided there are enough, it will make sense to go ahead with the scheme and build a real business around this.
 
 ## Conclusion
 

pages/blog/38-survivejs-interview.md

@@ -52,7 +52,7 @@ There's [an early draft of the Webpack book](/webpack/preface/) online. It is ba
 
 The model will remain the same. A part of the content will remain closed to motivate people to pay for it. Obviously I cannot force anyone to buy it, but for now this seems like a good way to go.
 
-Over longer term I want to provide something subscription based. This supporter scheme would give you early access to new content and private Slack. It would start at $20 per month. If this is something you would like to participate in, [sign up to the supporter mailing list](http://eepurl.com/bQAeuH). Signing up doesn't bind you to anything. It's more about measuring potential interest.
+Over longer term I want to provide something subscription based. This supporter scheme would give you early access to new content and private Slack. It would start at $20 per month. If this is something you would like to participate in, [sign up to the supporter mailing list](https://buttondown.email/SurviveJS). Signing up doesn't bind you to anything. It's more about measuring potential interest.
 
 ## What does the future look like for React and front-end in general? Can you see any particular trends?
 

pages/blog/43-survivejs210.md

@@ -127,7 +127,7 @@ I still have improvements planned. I've listed these based on priority:
 
 Currently I'm in authoring/consulting/training mode. Even though consulting and training take time out of authoring, they feed back in terms of experience. I'm particularly excited about the upcoming training case. It will force me to simplify and focus.
 
-Possible service model is possible still. If you would be interested in becoming a supporter and gaining early access to content, and even one-on-one time with me, [sign up to the supporter mailing list](http://eepurl.com/bQAeuH). Signing up doesn't bind you to anything and it's more of a signal for me to do something about it.
+Possible service model is possible still. If you would be interested in becoming a supporter and gaining early access to content, and even one-on-one time with me, [sign up to the supporter mailing list](https://buttondown.email/SurviveJS). Signing up doesn't bind you to anything and it's more of a signal for me to do something about it.
 
 ## Conclusion