search for: chunking_advertise_host

...script attached to reproduce it. It seems to me that Dovecot sends an (unexpected or mixed up) second answer to the client. If I add a ?$smtp->getline();? (line 110) sending multiple emails works again. Another workaround is to disable CHUNKING in Exim (in this case only on the ?proxy port?): chunking_advertise_hosts = ${if eq{$received_port}{10025}{}{*}} Thanks, Paul -------------- next part -------------- A non-text attachment was scrubbed... Name: chunking-test.pl Type: text/x-perl-script Size: 2633 bytes Desc: not available URL: <https://dovecot.org/pipermail/dovecot/attachments/20181025/3327b9c5/atta...