![ftp - FileZilla suddenly throws an error: “Response: 530 Sorry, the maximum number of clients (2) for this user are already connected” - Super User ftp - FileZilla suddenly throws an error: “Response: 530 Sorry, the maximum number of clients (2) for this user are already connected” - Super User](https://i.stack.imgur.com/ZvefL.png)
ftp - FileZilla suddenly throws an error: “Response: 530 Sorry, the maximum number of clients (2) for this user are already connected” - Super User
![Server says: 530 5.7.0 Must issue a STARTTLS command first | Free group email and mass email newsletter software Server says: 530 5.7.0 Must issue a STARTTLS command first | Free group email and mass email newsletter software](https://group-mail.com/wp-content/uploads/2014/01/Enabling-SSL-in-GroupMail.jpg)
Server says: 530 5.7.0 Must issue a STARTTLS command first | Free group email and mass email newsletter software
FTP: The remote server returned an error: (530) Not logged in. · Issue #2508 · microsoft/BotBuilder-Samples · GitHub
![Exchange does not accept any email from POPcon. Error message: "530 5.7.0 Must issue a STARTTLS command first" Exchange does not accept any email from POPcon. Error message: "530 5.7.0 Must issue a STARTTLS command first"](https://www.servolutions.com/images/e2k3-12.png)
Exchange does not accept any email from POPcon. Error message: "530 5.7.0 Must issue a STARTTLS command first"
![2 reasons why you get "530 Login authentication failed" in your cPanel Pure-ftpd server and how to fix it 2 reasons why you get "530 Login authentication failed" in your cPanel Pure-ftpd server and how to fix it](https://bobcares.com/wp-content/uploads/503-login-authentication-failed-1.jpg)