By changing the postfix main.cf setting from the default: default_destination_recipient_limit = 50
to: default_destination_recipient_limit = 1 it solve the issue. Do you think it's a postfix issue so I have to use their mailing list? > On 19 Apr 2018, at 21:45, Christos Chatzaras <ch...@cretaforce.gr> wrote: > > I use dovecot-lmtp and postfix. When I send e-mail to 2 recipients (or more) > at the same time and if one of them is over quota (or under quota and the > message I send is bigger than his free space) mailq shows: > > -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- > 20B03336F22 26099 Thu Apr 19 18:02:47 supp...@example.com > (lost connection with server25.example.org[private/dovecot-lmtp] while > sending end of data -- message may be sent more than once) > us...@example.com > us...@example.com > > E-mails sent from the same domain on same server so it's a local delivery. > > If I send the e-mail to the over quota user ( only him on To: ) then I get a > bounce that says that user is over quota which is the correct behaviour. > > I think the problem started after I upgrade dovecot-2.2.35 to dovecot-2.3.1. > > Is this a known bug?
