Hello
My profile is of a senior systems architect. I have 20 years of experience in systems and network administration, designing and implementing systems for both big scale customers and medium to small companies
One of my strongest skills is related to email platforms. For more than 10 years I have been responsible in a mid size ISP for all email hosted systems. This includes extensive experience with all main MTA: postfix, sendmail, exim, quail and exchange. Post office like courier-imap, dovecot and Vpopmail. Webmail clients like horde, sqwevmail, roundcube.
I have of course experience in all antispam and antivirus system, integrated with the email platform. Rspamd and spamassasin, dkim, dmarc, etc
My platforms in ISP run about 3000 domains managing about 10 million of email daily
My lasts projects in this field are:
- Technological redesign and deployment of an email platform for customer in RRHH field. Technological environment was dovecot + exim + mail scanner. Managing 50K emails daily
- Full deployment of a platform for multi-customer hosted email. Total of 20 physical and virtual machines deployed in a 3 layer architecture with high availability. Based on postfix, dovecot, rspamd and roundcube
I am a highly qualified professional with both freelancer and employee experience with big customers.