- Plesk for Linux
The attachment of an e-mail can not be opened with Roundcube and other mail clients (Thunderbird, Outlook, etc.):
Failed to load PDF document.
On the sender's side under Roundcube > Settings > Filters a rule is present with Send message copy to: in execute the following actions
The following versions of
dovecotare installed on the server:
For Redhat/CentOS based OS:
# rpm -qa | grep dovecot
For Debian/Ubuntu based OS:
# dpkg-query --list | grep dovecot
ii plesk-dovecot 126.96.36.199-debian9.0.18031217 amd64 Dovecot v188.8.131.52 secure IMAP and POP3 server
ii plesk-dovecot-pigeonhole 0.5.0.1-debian9.0.18031217 amd64 Sieve filters support and secure ManageSieve server for Dovecot v0.5.0.1
This is Plesk bug with ID #PPPM-8470, which is planned to be fixed in future Plesk updates.
As a workaround send the e-mail with attachment to the recipient directly.