i am discovering problems with BATV in combination with sender-verification on the target-server.
Everytime I'm trying to send a mail to a server which uses sender-verification the communication breaks after "rcpt to".
This message was created automatically by the SMTP relay on mail.my-domain.de.
A message that you sent could not be delivered to all of its recipients.
The following address(es) failed:
postmaster@target-domain.de
SMTP error from remote mail server after RCPT TO::
host mail2.mx-hoster.de [212.x.x.x]: 550-Verification failed for
550-Called: 195.x.x.x (my MX IP)
550-Sent: RCPT TO:
550-Response: 550 Missing, invalid or expired BATV signature
550 Sender verify failed
Any hints?
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