SMTP protocol errors

Notes/Domino 8 Forum

Subject: SMTP protocol errors

Feedback Type: Problem

Product Area: Domino Server

Technical Area: Error Message

Platform: Windows 2003 server

Release: 8.0

Reproducible: Intermittent

I'm getting the following errors on some mail sent outside the organization. It seems like this is intermittent and is not for all outgoing mail. Any idea if this is a server setting on our end or is it the receiving site?

SMTP Protocol Returned a Permanent Error 550 relaying to <email_address_from_here@removed.com> prohibited by administrator

Error transferring to CONNECTIONS.COM; SMTP Protocol Returned a Permanent Error 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

Error transferring to HOTELFLAMINGO.COM; SMTP Protocol Returned a Permanent Error 530 authentication required for relay (#5.7.1)

Error transferring to YUKONCOMMUNICATIONS.NET; SMTP Protocol Returned a Permanent Error 550 relaying to <semail_address_from_here@removed.com> prohibited by administrator

Error transferring to VILLASCARIBE.COM; SMTP Protocol Returned a Permanent Error 550 client.

Feedback number WEBB7K7339 created by ~George Chutoopulettu on 10/07/2008