home > Uncategorized > Is the port 25 open on your proxies? Is the port 25 open on your proxies? Author: mzg Published: June 8, 2017 Updated: June 8, 2017 Category: Uncategorized Tags: 25, port, smtp Sorry, it isn’t . We don’t allow emailing, so the port 25 is closed Rate answer [Total: 0 Average: 0/5] Related posts: How many connections should I use? Proxies on port 8080? Proxies on port 3128 On which ports are running your proxies? Does the port matter?