You can do it yourself. There is a link below every mail (and also this one) from this list where you can unsubscribe.
> On 23 Nov 2018, at 13:49, Yann Shukor <yann.shu...@azurtem.com> wrote: > > Please remove me from your mailing list > thanks you >> >> _______________________________________________ >> Dovecot-news mailing list >> dovecot-n...@dovecot.org >> https://dovecot.org/mailman/listinfo/dovecot-news
