In the last few days united internet has decided to block forwarded emails e.g. to gmx or web.de addresses. For customers of other providers
openssl gendh -out /etc/postfix/pfs_512.pem -2 512 openssl gendh -out /etc/postfix/pfs_1024.pem -2 1024 postconf -e "smtpd_tls_dh1024_param_file=/etc/postfix/pfs_1024.pem" postconf -e "smtpd_tls_dh512_param_file=/etc/postfix/pfs_512.pem" postconf -e "smtpd_tls_eecdh_grade=strong" postconf -e "smtp_tls_loglevel=1" postconf
It always makes sense to encrypt email communication, especially when you are on the move and access or write emails in wifi environments. Because
