Troubleshooting mail problems.

Check an MX record

1. Open Madison
2. nslookup domain.com
3. nslookup – IP of primary DNS
4. set type=mx
5. domain.com
a. gives name of mail server
6. set type=soa (source of authority)
7. domain.com
8. exit

FORWARD MAIL TO ANOTHER ISP

1. cd /etc/namedb
2. vi domain.db
3. Change the first MX record from our mail server to mail.domain.com.
a. 86400 IN MX 5 mail.viskase-iowa.com.
4. Add a mail record with the mail host’s IP address:
a. mail 86400 IN A 12.21.92.59
5. Update serial number.
6. F11 and dbreload