Wingate 6.2.2 mail server "Callback setup failed"

[gy.fischer]

Some mails sent through wingate 6.2.2 mail server are rejected by the destination host with the following message:

<= 550-Callback setup failed while verifying <address@domain.com>
<= 550-(result of an earlier callout reused).
<= 550-The initial connection, or a HELO or MAIL FROM:<> command was
<= 550-rejected. Refusing MAIL FROM:<> does not help fight spam, disregards
<= 550-RFC requirements, and stops you from receiving standard bounce
<= 550-messages. This host does not accept mail from domains whose servers
<= 550-refuse bounces.
<= 550 Sender verification failed

How do I setup Wingate to accept sender verification?
(address@domain.com is a mailing list address where anyone can post)

Thanks

[adrien]

Hi

Looks like you've got the setting on which blocks mail with no sender address.

"Block blank return-path" on the Receiving tab in Email in Gatekeeper.

You'll need to turn this option off.

Regards

Adrien

[gy.fischer]

Thank you

George