May 21 15:11:52 mail postfix/smtp[18888]: 02A9185E025B: to=<>,[]:25, delay=5.5, delays=0.01/0.01/1.3/4.2, dsn=2.0.0, status=sent (250 2.0.0 OK 1337593025 l3si26271838pbs.154)

May 21 15:20:55 mail postfix/smtp[31997]: 0CA4585E0265: to=<>,[]:25, delay=8, delays=0.01/0/1.6/6.4, dsn=2.0.0, status=sent (250 Data Dropped)

Hi All, I am facing a very serious problem in sending emails from my email server, some of emails are delivering to our client while some are not. and the most irritating thing is that it is not showing any bounced email or any deferred mail in admin panel. While I was exploring the mail logs I found the above difference, the mail delivered to recipient showing status=sent (250 2.0.0 OK 1337593025 l3si26271838pbs.154) while other one that has not reached to recipient status=sent (250 Data Dropped). Pls help me