We use a pop mail server and an employee out in the field got a new verizon wireless card. He uses outlook 2007. Now when he sends it says that port 550 is blocked. He can't send out only receive. This did not happen before with his other verizon card. Any ideas?
Veeam is happy to provide a free NFR license (for 1 year, up to 10 users). This license allows for the non‑production use of Veeam Backup for Microsoft Office 365 in your home lab without any feature limitations.