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email not sending

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  • Last reply by christ1

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Email accounts all working fine until today. Am now receiving the following error message when trying to send an email:

Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ STARTTLS AUTH=PLAIN] Server ready proxy1.mail.iad3b.rsapps.net.

This email account is working fine on another computer running Thunderbird.

Any and all suggestions are welcome.

Email accounts all working fine until today. Am now receiving the following error message when trying to send an email: Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID ENABLE IDLE LITERAL+ STARTTLS AUTH=PLAIN] Server ready proxy1.mail.iad3b.rsapps.net. This email account is working fine on another computer running Thunderbird. Any and all suggestions are welcome.
Attached screenshots

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These settings should work.

Outgoing Server - SMTP

Server: secure.emailsrvr.com Port: 465 Security: SSL/TLS Username: Your full email address Password: Your password