Hugo Florentino skrev den 2019-09-30 02:04:
Suppose ISP imposes restrictions so the only port open either for SMTP or submission must be TCP 25. What then?
then use gmail, that isp is clueless if thats the case of blocking mua client ports, i have only seen port 25 been blocked from dynamic ips in isp firewall, be happy if isp allow it :(
