Unsubscribe from form not working #525

philmck opened this Issue Nov 2, 2015 · 3 comments


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philmck commented Nov 2, 2015

Unsubscriptions from a web form don't seem to be working any more in Dada 8.4.0 Pro. I get a 500 server error whenever I try. (Subscriptions from the form still seem to work, as do unsubscriptions from a link in a mail message.)

My web server (running Ubuntu 14.04, in fastCGI mode, managed by webmin) reports in the error log:
End of script output before headers: mail.cgi, referer: [my Dada URL]

The Dada error log shows:
Invalid header value contains a newline not followed by whitespace: location="Status: 302 Found
Location: http://www.skeptic.org.uk/cgi-bin... at (eval 27) line 34, line 1

Unfortunately the ellipsis in that last error log line hides the location of the problem so I'm not sure how to debug this further.

I get the same symptoms when trying in the Modal and Full subscription form preview in the admin interface as well as the "live" form.


There hasn't been a form where you can unsubscribe from a mailing list in Dada Mail for a few versions, now. There was some overlap where the feature was removed officially, but it still worked. I bet that was taken out in v8.

The two ways someone can unsubscribe is either from the unsubscribe link in an email, or through their profile.

philmck commented Nov 3, 2015

Ah, it seems someone has overridden the subscription_form_widget.tmpl file on the installation in question, which means it still shows the unsubscribe option even though it has been removed from the core files.

Could we make this into a documentation request instead of a bug report, in that case?


Well, there's this,


Looks like the unsusbcribe option in the subscription form was removed in v6.4.0

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