sieve - Failed to store into mailbox 'INBOX/${1}': Mailbox doesn't exist: INBOX/${1}

[Ludovic Terrier]

> The problem makes sense. The use of the ":matches" match type with
> "${1}" used in the if block hints that the "variables" extension is
> supposed to be used. However, it is not listed in the require line. In
> that case any variables substitution is ignored, causing the error
> you're seeing.

Thanks for the explanation.

> If this is what RoundCube outputs, there's something wrong with RoundCube.

Yes, I tried adding a new rule via the managesieve’s Roundcube plugin and here’s a comparison with a backup taken just before:

root at server:/var/mail/vhosts/example.com/ludovic/sieve# diff -u roundcube.sieve.bak roundcube.sieve
--- roundcube.sieve.bak	2018-01-02 20:38:36.191983062 +0100
+++ roundcube.sieve	2018-01-02 20:40:03.457553541 +0100
@@ -1,4 +1,4 @@
-require ["envelope","fileinto","subaddress","variables","mailbox"];
+require ["envelope","fileinto","imap4flags","subaddress"];
 if header :contains "X-Spam-Flag" "YES"
 {
 	fileinto "Junk";
@@ -14,3 +14,9 @@
 	fileinto "INBOX/pattern";
 	stop;
 }
+# rule:[dmarc]
[...]

The require ‘array’ was completely rewritten… I’ll look at Roundcube documentation if this an expected behaviour.

Regards,

—
Ludovic