Hi aldbarda,
try this configuration for Thunderbird.
Default Exchange use only SSL/TLS connections
POP3:
Server:mail.server.tld
Port:955
User name:User
Connection:SSL/TLS
Authentication:Password, normal
SMTP:
Server:mail.server.tld
Port:587
Connection:STARTTLS
Authentication:Password, normal
User name:User
IMAP:
Server:mail.server.tld
Port:993
User name:User
Connection:SSL/TLS
Authentication:Password, normal
SMTP:
Server:mail.server.tld
Port:587
Connection:STARTTLS
Authentication:Password, normal
User name:User
Best regards
-
Edited by
SSorin
19 hours 12 minutes ago