Hi, First of all, let us know the exact message, when it says undeliverable. The reasons would be isted there. Do u get this error, when u send a mail from server1@.... to server2@....? If u r getting this problem on the same server, then it should not be the dns error as the local deliveries are carried out MTA only and it does not require DNS. Apart from that why do u need to send/receive mails with abc@xxxxxxxxxxxxxxxxxx, when u can do the same with abc@xxxxxxx? Regards, Chand Deshwal (M.Tech CS&E, MCSE, CCNA) Network Manager Kampsax India Ltd. (ISO 9002 company) Gurgaon - India Ph. 91 6348259-62 E-mail: chand@xxxxxxxxxxxxxxxxx <mailto:chand@xxxxxxxxxxxxxxxxx> Web: http://www.kampsaxindia.com -----Original Message----- From: Indra Chandrakalum [mailto:chandrakalum@xxxxxxxxx] Sent: Thursday, April 11, 2002 3:44 PM To: [ExchangeList] Subject: [exchangelist] DNS problem http://www.MSExchange.org/ Hi, I tried to set up (infact I am migrating from UNIX to Windows 2000 ) the DNS and Exchange server 5.5 on windows 2000 server. Everything is ok except that when I try to send email locally it bounce back saying undeliverable. I refer to the same server with the following names. server1.abc.in = abc.in Used the unix abc.in.db file to create the dns file. The mail works when I specify the email address as somebody@xxxxxx but returns when the address is somebody@xxxxxxxxxxxxxxx It doesn't work for somebody@xxxxxxxxxxxxxx too where server2 is another email server. Can send and receive mail from all other domains. I have attached the dns file I am using and please let me know where I have made a mistake. Thanks. ChandraKalum -------------------------------------------------------- The contents of the DNS file: -------------------------------------------------------- ; ; Database file abc.in.dns for abc.in zone. ; Zone version: 20010644 ; @ IN SOA server1.abc.in. hostmaster.server1.abc.in. ( 20010644 ; serial number 28800 ; refresh 7200 ; retry 604800 ; expire 86400 ) ; minimum TTL ; ; Zone NS records ; @ NS server1.abc.in. @ NS ns1.xyz.in. ; ; Zone records ; @ CNAME server1.abc.in. a1271e74-55e0-4b3d-810d-f6832756460d._msdcs 600 CNAME server1.abc.in. _kerberos._tcp.default-first-site-name._sites.dc._msdcs 600 SRV 0 100 88 server1.abc.in. _ldap._tcp.default-first-site-name._sites.dc._msdcs 600 SRV 0 100 389 server1.abc.in. _kerberos._tcp.dc._msdcs 600 SRV 0 100 88 server1.abc.in. _ldap._tcp.dc._msdcs 600 SRV 0 100 389 server1.abc.in. _ldap._tcp.083d8c2b-258f-4c6e-a310- cecfce4deff3.domains._msdcs 600 SRV 0 100 389 server1.abc.in. gc._msdcs 600 A p.q.r.s _ldap._tcp.default-first-site-name._sites.gc._msdcs 600 SRV 0 100 3268 server1.abc.in. _ldap._tcp.gc._msdcs 600 SRV 0 100 3268 server1.abc.in. _ldap._tcp.pdc._msdcs 600 SRV 0 100 389 server1.abc.in. _gc._tcp.default-first-site-name._sites 600 SRV 0 100 3268 server1.abc.in. _kerberos._tcp.default-first-site-name._sites 600 SRV 0 100 88 server1.abc.in. _ldap._tcp.default-first-site-name._sites 600 SRV 0 100 389 server1.abc.in. _gc._tcp 600 SRV 0 100 3268 server1.abc.in. _kerberos._tcp 600 SRV 0 100 88 server1.abc.in. _kpasswd._tcp 600 SRV 0 100 464 server1.abc.in. _ldap._tcp 600 SRV 0 100 389 server1.abc.in. _kerberos._udp 600 SRV 0 100 88 server1.abc.in. _kpasswd._udp 600 SRV 0 100 464 server1.abc.in. server2 A p.q.r.s2 MX 20 server2.abc.in. localhost A 127.0.0.1 server1 A p.q.r.s MX 10 server1.abc.in. server3 A p.q.r.s3 www CNAME server3.abc.in. ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: chand@xxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')