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Show HN: Startup with no website - GuerillaClick@gmail.com

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171–180 of 190 posts

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#171
post #108

Earlier quoted context omitted.

That seems like it would be incredibly easy to DoS someone.

Indeed it is.

Why you could easily advertise an email on a tech news aggregate site asking people to use it to sign up for sites that may send you unwanted emails. You wouldn't even need to set up a webpage. That's if you didn't want to sort out a more direct method.

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#172
post #23

This is delightfully crazy. Give some random guys with no website your registration record somewhere, allow them to verify your registration as theirs, and then impersonate you, reset passwords, see any communications, possibly log in as yourself and do anything. All this with no recourse. Nigerian spammers moan from envy for such a brilliant self-propelled gullibility filter.

Except, trash websites are asking for bullshit sign-ups, and so if some rando is operating a spam account for me, yes. Yes, that person can absolutely take the garbage dump sign up I created for no reason, and didn’t even want, and they can impersonate the not me at all that isn’t even remotely who I am.

Hey stupid mailing list, I never wanted you. Have more garbage.

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#173

Earlier quoted context omitted.

I don't know if it still does it, but mailinator used to have a neat feature where it would "detect" bots trying to scrape its list of domains and start injecting legit ones like hotmail.com/gmail.com

you don't need to scrape anything. you check provided email for mailinator's MX records\IPs.

This is probably much more difficult and taxing. On every signup, you're now checking MX records and IP's, not just looking at a string. And Mailinator can change this information regularly too if they choose.

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#174
post #166
post #68

Why do you call this a "startup"? It's a nice hack for sure but I'm not sure if it's has a prospect of being a business.

If the Yo app can raise 1.5 million...

I wish they were continuing to spend it on their servers! I used Yo with my gf. It’s a daft service, sure, but if I really do just want to tell her I’m thinking about her it was kinda cool.

The iOS app might still work but the watchOS app hasn’t been updated for 5.x. :-(

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#176
post #152
post #106

Earlier quoted context omitted.

Gmail gives you another option - separate using dots. g.uerillaclick@gmail.com The number of options is of course limited but it's still recognized as a separate address while still coming into the same inbox

I've built a few registration systems and always normalize email addresses (remove local part, de-dot gmail addresses) at signup and login. It helps users who keep trying bobjones@gmail.com when they signed up with bob.jones@gmail.com. Also is pretty good at preventing mass signups using tricks like this.

How do you know where the local part starts? Google uses '+' but nothing stops you from using '-' as a delimiter if you're running your own servers.

Also, how do you deal with spam filters that are designed to spam anything without a local part? Or is this only done to "well-known" domains like gmail.com?

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#177
post #40

Earlier quoted context omitted.

Google TOS is pretty broad. However, one of the main factors here is that export controls could quickly come into play. Since Google is US-based, providing this service for those in embargoed countries could get you shut down quickly. They also have a "don't misuse our services" clause and I'm sure this would count as misuse if found.

Let me answer this: from what I know, and broadly speaking, this service is both illegal and not allowed by ToS.

> this service is both illegal

.. in your country. Saying something is illegal without mentioning jurisdiction is meaningless.

> not allowed by ToS

The service being signed up to, perhaps. But it isn't clear to me that it's banned by gmail's tos especially since he's using the service APIs normally.

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#178
post #18

Earlier quoted context omitted.

You can assume that the companies selling off email data are smart enough to do the entirely trivial "remove + sign to @ sign" transformation for gmail addresses, at least partly because their job tends to be tracking you across a large amount of domains.

I switched to mails under domain I own (and powered by FastMail) some time ago; I now use alias@username.mydomain form. Try to filter for that without breaking non-aliased e-mails!

By that point you might as well set a fixed-width length and treat everything after that as an alias, like me@domain.tld would be the base and mespammers@domain.tld would be your alias for spammers.com, etc. Even better, put the alias before the username and keep the + as a separator.

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#179
post #38

Thanks, just spent five minutes modding my webapp to disallow email aliases.

The problem is that you are no longer compliant with the email spec: https://tools.ietf.org/html/rfc5322#section-3.2.3 Does nobody read RFC’s anymore?

> Does nobody read RFC’s anymore?

I did, before posting my answer, though I admit I was too lazy to look up the email RFC and instead just used the URI RFC and assumed the allowed characters in the user-name would be the same :P

Re: Show HN: Startup with no website - GuerillaClick@gmail.com

#180
post #106

guerillaclick+eralp@gmail.com guerillaclick+sdfaskdma@gmail.com guerillaclick+111@gmail.com Unfortunately, more and more services are rejecting + e-mail addresses. Either ignoring them, or flagging them as an error. While it's perfectly within the RFC, companies are catching on to the trick. (3M, I'm looking at you!)

Gmail gives you another option - separate using dots. g.uerillaclick@gmail.com The number of options is of course limited but it's still recognized as a separate address while still coming into the same inbox

Actually guerilla.........................click@gmail.com would work too, since it fully ignores dots. So the options are just as (not) limited as anything a + can add.
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