On 2021-04-20 20:41, Aleš Pečnik wrote:
I'm using Dovecot with Postfix (via LMTP). Because Postfix doesn't de-duplicate recipients, I'm using sieve to drop duplicates, following this recipe: https://serverfault.com/questions/112958/postfix-aliases-and-duplicate-e-mails-how-to-fix
its a bug, but the workaround is to https://doc.dovecot.org/configuration_manual/quota_plugin/ so postfix tempfail before lmtp delivery the first time hopefully it credited you report this problem
