I experience difficulties when sending emails over my email client.
Are you experiencing difficulties when sending emails over your email client? This problem may be that your ISP provider is blocking port 25 which is normally used for sending emails when using an email client. Crawler.com has a great solution for you, you can use port 465 or 587 instead of port 25 to send your emails.
All you have to do is change your Outgoing server (SMTP) port from the default port 25 to 465 or 587.
Pick your email client and follow the instructions: