I have an ubuntu bionic beaver with Ispconfig 3.1 installation. I followed the installation steps and added SSL certificate (Let's Encrypt) for both the Site and the Isp config portal. My Roundcube does not send or receive mail, while sending it wait for a long time and goes timeout. I have spend some time and reinstalled the entire server and Ispconfig again but still it has the same issue. My /var/logs/mail.log is as follows Code: Feb 28 12:57:53 pilot dovecot: master: Dovecot v2.2.33.2 (d6601f4ec) starting up for imap, pop3, lmtp (core dumps disabled) Feb 28 12:57:55 pilot postgrey[894]: Process Backgrounded Feb 28 12:57:55 pilot postgrey[894]: 2021/02/28-12:57:55 postgrey (type Net::Server::Multiplex) starting! pid(894) Feb 28 12:57:55 pilot postgrey[894]: Resolved [localhost]:10023 to [::1]:10023, IPv6 Feb 28 12:57:55 pilot postgrey[894]: Resolved [localhost]:10023 to [127.0.0.1]:10023, IPv4 Feb 28 12:57:55 pilot postgrey[894]: Binding to TCP port 10023 on host ::1 with IPv6 Feb 28 12:57:55 pilot postgrey[894]: Binding to TCP port 10023 on host 127.0.0.1 with IPv4 Feb 28 12:57:55 pilot postgrey[894]: Setting gid to "123 123" Feb 28 12:57:55 pilot postgrey[894]: Setting uid to "117" Feb 28 12:57:57 pilot postfix/postfix-script[978]: warning: symlink leaves directory: /etc/postfix/./smtpd.cert Feb 28 12:57:57 pilot postfix/postfix-script[981]: warning: symlink leaves directory: /etc/postfix/./smtpd.key Feb 28 12:57:57 pilot postfix/postfix-script[1029]: starting the Postfix mail system Feb 28 12:57:57 pilot postfix/master[1032]: daemon started -- version 3.3.0, configuration /etc/postfix Feb 28 12:57:59 pilot amavis[713]: starting. /usr/sbin/amavisd-new at pilot.kenkode.in amavisd-new-2.11.0 (20160426), Unicode aware, LC_ALL="C", LANG="en_US.UTF-8" Feb 28 12:58:00 pilot amavis[1074]: Net::Server: Group Not Defined. Defaulting to EGID '125 125' Feb 28 12:58:00 pilot amavis[1074]: Net::Server: User Not Defined. Defaulting to EUID '119' Feb 28 12:58:01 pilot amavis[1074]: No $altermime, not using it Feb 28 12:58:01 pilot amavis[1074]: No ext program for .lrz, tried: lrzip -q -k -d -o -, lrzcat -q -k Feb 28 12:58:01 pilot amavis[1074]: No ext program for .lz4, tried: lz4c -d Feb 28 12:58:01 pilot amavis[1074]: No ext program for .rpm, tried: rpm2cpio.pl, rpm2cpio Feb 28 12:58:01 pilot amavis[1074]: No ext program for .rar, tried: unrar-free Feb 28 12:58:01 pilot amavis[1074]: No ext program for .zoo, tried: zoo Feb 28 12:58:01 pilot amavis[1074]: No ext program for .doc, tried: ripole Feb 28 12:58:01 pilot amavis[1074]: No ext program for .zip, tried: 7za, 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .kmz, tried: 7za, 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .7z, tried: 7zr, 7za, 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .jar, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .rar, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .swf, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .lha, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .iso, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No ext program for .rpm, tried: 7z Feb 28 12:58:01 pilot amavis[1074]: No decoder for .7z Feb 28 12:58:01 pilot amavis[1074]: No decoder for .F Feb 28 12:58:01 pilot amavis[1074]: No decoder for .doc Feb 28 12:58:01 pilot amavis[1074]: No decoder for .iso Feb 28 12:58:01 pilot amavis[1074]: No decoder for .jar Feb 28 12:58:01 pilot amavis[1074]: No decoder for .lha Feb 28 12:58:01 pilot amavis[1074]: No decoder for .lrz Feb 28 12:58:01 pilot amavis[1074]: No decoder for .lz4 Feb 28 12:58:01 pilot amavis[1074]: No decoder for .rar Feb 28 12:58:01 pilot amavis[1074]: No decoder for .rpm Feb 28 12:58:01 pilot amavis[1074]: No decoder for .swf Feb 28 12:58:01 pilot amavis[1074]: No decoder for .zoo Feb 28 12:58:01 pilot amavis[1074]: Using primary internal av scanner code for ClamAV-clamd Feb 28 12:58:01 pilot amavis[1074]: Found secondary av scanner ClamAV-clamscan at /usr/bin/clamscan Feb 28 12:58:21 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1169, secured, session=<H0pMDmW8gOQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:58:21 pilot dovecot: imap([email protected]): Logged out in=29 out=502 Feb 28 12:58:21 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1171, secured, session=<NPdRDmW8guQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:58:21 pilot dovecot: imap([email protected]): Logged out in=70 out=712 Feb 28 12:58:21 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1175, secured, session=<hnhXDmW8hOQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:58:21 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1176, secured, session=<mU5YDmW8huQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:58:21 pilot dovecot: imap([email protected]): Logged out in=316 out=1570 Feb 28 12:58:22 pilot dovecot: imap([email protected]): Logged out in=233 out=1050 Feb 28 12:59:22 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1222, secured, session=<cLfsEWW8iOQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:59:22 pilot dovecot: imap([email protected]): Logged out in=117 out=950 Feb 28 12:59:28 pilot postfix/smtps/smtpd[1223]: connect from mail-oi1-f172.google.com[209.85.167.172] Feb 28 12:59:33 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1227, secured, session=<YGqdEmW8iuQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:59:33 pilot dovecot: imap([email protected]): Logged out in=32 out=485 Feb 28 12:59:33 pilot dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=1229, secured, session=<0nOfEmW8jOQAAAAAAAAAAAAAAAAAAAAB> Feb 28 12:59:33 pilot dovecot: imap([email protected]): Logged out in=44 out=592
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