dsync(gmail_login): Warning: imapc(imap.gmail.com:993): connect(173.194.175.109, 993) failed: Connection refused - trying the next IP

imapc_host = imap.gmail.com

imapc_user = gmail_login
imapc_password = gmail_pass

dsync_features = empty-header-workaround
imapc_features = rfc822.size
imapc_features = $imapc_features fetch-headers
imapc_features = gmail-migration

mail_prefetch_count = 20

!include /etc/dovecot/dovecot.conf

imapc_port = 993
imapc_ssl = imaps
# ssl_client_ca_dir = /etc/pki/tls/certs/
ssl_client_ca_file = /etc/pki/tls/cert.pem
imapc_ssl_verify = yes

doveadm -c gmail_login-import.cfg -D -o imapc_user=gmail_login -o pop3c_user=gmail_login -o imapc_password=gmail_pass -o pop3c_password=gmail_pass -o imapc_host=imap.gmail.com -v backup -a 'virtual/All' -O '-$GmailHaveLabels' -x Flagged -x Junk -x Trash -x Important -R -u Dovecot_login imapc: