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Large groups of users suddenly unsubscribing

 
From: "Spilker, Tyler spilkert@PROTECTED [Dada Mail Developers]" <dadadev@PROTECTED>
Subject: Large groups of users suddenly unsubscribing
Date: July 24th 2019

Hi there,

 

We had an incident this morning which fifty users suddenly sent unsubscribe requests from a list of about 800. Im being asked to investigate as it is unlikely they all sent requests at the same time. Looking into the error log I see a lot of entries around the same time in the form of:

 

NOOOOPE. at DADA/App/Dispatch.pm line 411, <CONFIG> line 1.

at, DADA::App::Subscriptions::token at DADA/App/Subscriptions.pm line 74, <CONFIG> line 1.

token exists at DADA/App/Subscriptions.pm line 92, <CONFIG> line 1.

$data->{data}->{flavor}: unsub_confirm at DADA/App/Subscriptions.pm line 157, <CONFIG> line 1.

at, DADA::App::Subscriptions::unsubscribe at DADA/App/Subscriptions.pm line 1643, <CONFIG> line 1.

$token: EpMWwEchP--REDACTED--aSR3EBbPHyd at DADA/App/Subscriptions.pm line 1678, <CONFIG> line 1.

$token_context:  at DADA/App/Subscriptions.pm line 1679, <CONFIG> line 1.

running scheduled jobs at teardown @ Tue Jul 23 15:15:11 2019 at /var/www/html/dada//DADA/App.pm line 377, <CONFIG> line 1.

running scheduled jobs at teardown @ Tue Jul 23 15:15:11 2019 at /var/www/html/dada//DADA/App.pm line 377.

running scheduled jobs at teardown @ Tue Jul 23 15:15:11 2019 at /var/www/html/dada//DADA/App.pm line 377, <CONFIG> line 1.

 

I know there was a bugfix around the 11.3.0 release that addressed some sort of automatic link-following behavior in clients but I am wondering if such an issue might still exist or if anyone else has seen behavior similar to this.

 

Thank you,

Tyler

 

Tyler Spilker
Linux System Administrator
Information Technology Services

Foley LL

www.gonzaga.edu

 

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