Hi Team,
I am facing a strange issue in Exchange 2013.I tried to configure Thunderbird using IMAP port 143 and SMTP 587 with STARTTLS and normal password authentication.IMAP is working fine but i am not able to send mails using port 587,it keeps asking for authentication.Checked the receive connectors and it is fine.
Tried using Outlook also but failed.
Please advice.
Regards
Arun