Hello,
I've a server with exim and dovecot, easy_spam_fighter, spamassassin, blockcracking. I've created a backup mail server (backup MX) and I've a small problem, because e-mails send from this backup to primary mail server are rejected.
Reason:
How to whitelist IP of backup MX from checking SPF?
Thank you.
I've a server with exim and dovecot, easy_spam_fighter, spamassassin, blockcracking. I've created a backup mail server (backup MX) and I've a small problem, because e-mails send from this backup to primary mail server are rejected.
Reason:
550-SPF: IP_OF_BACKUP_MX is not allowed to send mail from DOMAIN.TLD:
How to whitelist IP of backup MX from checking SPF?
Thank you.