LISTSERV 17.5 Help - Safe Keyword

Safe Keyword

Safe= Yes | No

This keyword controls the email address that LISTSERV places in the "SMTP MAIL FROM" field, which is where standards-compliant mailers will return delivery errors. With "Safe= No", these errors are sent to the list address, hopefully to be intercepted by the loop detector and passed on to the list owner. With "Safe= Yes", the error address is set to "owner-listname", and delivery errors sent to that address are passed on to the list owner without the risk of creating a mailing loop. The default is "Safe= Yes".

Note: The use of "Safe= Yes" does not guarantee that all errors will go to the "owner-listname" mailbox. Unfortunately, there are many non-compliant mailers that will continue to send the error back to the list (usually because it is listed in the "Reply-To" or "Sender" field). Using "Safe= Yes" significantly decreases the potential for mailing loops but not enough to actually code "Loopcheck= No", unless you are sure that all your subscribers have compliant mailers.

LISTSERV® is L-Soft's email list management software, originally developed by Eric Thomas in 1986. Visit the LISTSERV® Resource Center for more complete documentation.

LISTSERV® is a registered trademark. The trademark identifies LISTSERV® as a brand of email list management software developed by L-Soft.