this post was submitted on 19 Jun 2023
486 points (99.4% liked)

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486
[Solved] Temporarily closed signups because of spam signups (self.lemmyworld)
submitted 1 year ago* (last edited 1 year ago) by ruud to c/lemmyworld
76 comments fedilink hide all child comments
 

So some spam signups just happened (all [email protected] format e-mail) This caused bounced mail to increase, causing Mailgun to block our domain to prevent it getting blacklisted.

So:

  • Mail temporarily doesn't work
  • I closed signups for now
  • I will ban the spam accounts
  • I will check how to prevent (maybe approval required again?)

Stay tuned.

Edit: so apparently there is a captcha option which I now enabled. Let's see if this prevents spam. Registrations open again.

Edit2 : Hmm Mailgun isn't that fast in unblocking the domain. Closing signups again because validation mails aren't sent

Edit 3: I convinced Mailgun to lift the block. Signups open again.

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[โ€“] [email protected] 18 points 1 year ago (2 children)

Last time a website I was managing was bombarded with spam signups, I set up a regular expression to check for the incredibly distinctive format the spammers were using... then it reports success but doesn't actually create the account or send an email. Spam problem over.

[โ€“] [email protected] 9 points 1 year ago

Very clever, only problem is it's not a general solution.

[โ€“] possiblylinux127 3 points 1 year ago

Until you get someone with a email that matches the expression