Getting this in the maillog file "470 Attempted virus scan failed Please try again later"

[Amin, Harish]

MailScanner Version details on Sun Solaris 8
__________________________________________________
Mar 28 10:02:24 badger MailScanner[21575]: MailScanner E-Mail Virus Scanner
version 4.02-2 starting...
Mar 28 10:02:25 badger MailScanner[21575]: Enabling SpamAssassin
auto-whitelist functionality...
Mar 28 10:02:27 badger MailScanner[21575]: Using locktype = flock


LogFile Details
+++++++++++++++++++++++++++

1:18, mailer=esmtp, pri=943717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: 470 Attempted virus scan failed
. Please try again later
Mar 28 00:28:38 badger sendmail[17155]: [ID 801593 mail.info] h2S6SKB17155:
from=<>, size=1030, class=0, nrcpts=1, msgid=<1048
83186401 at mailserver.mail.gr>, proto=ESMTP, daemon=MTA-IPv4,
relay=[193.41.150.37]
Mar 28 00:35:34 badger sendmail[17139]: [ID 801593 mail.notice]
h2QK7hi22264: timeout waiting for input from smtp.mail.gr. dur
ing client QUIT
Mar 28 00:35:34 badger sendmail[17139]: [ID 801593 mail.info] h2QK7hi22264:
to=kg at randolph.k12.wi.us, delay=1+10:27:51, xdelay
=00:02:00, mailer=esmtp, pri=11720794, relay=mail.randolph.k12.wi.us.,
dsn=4.0.0, stat=Deferred: Connection timed out with smt
p.mail.gr.
Mar 28 01:13:14 badger sendmail[17449]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=07:14:06, xdelay=00:0
3:26, mailer=esmtp, pri=1033717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: 470 Attempted virus scan faile
d. Please try again later
Mar 28 01:22:43 badger sendmail[17449]: [ID 801593 mail.notice]
h2QK7hi22264: timeout waiting for input from smtp.mail.gr. dur
ing client QUIT
Mar 28 01:22:43 badger sendmail[17449]: [ID 801593 mail.info] h2QK7hi22264:
to=kg at randolph.k12.wi.us, delay=1+11:15:00, xdelay
=00:02:00, mailer=esmtp, pri=11810794, relay=mail.randolph.k12.wi.us.,
dsn=4.0.0, stat=Deferred: Connection timed out with smt
p.mail.gr.
Mar 28 01:56:23 badger sendmail[17529]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=07:57:15, xdelay=00:0
1:36, mailer=esmtp, pri=1123717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: 470 Attempted virus scan faile
d. Please try again later
Mar 28 02:05:53 badger sendmail[17529]: [ID 801593 mail.notice]
h2QK7hi22264: timeout waiting for input from smtp.mail.gr. dur
ing client QUIT
Mar 28 02:05:53 badger sendmail[17529]: [ID 801593 mail.info] h2QK7hi22264:
to=kg at randolph.k12.wi.us, delay=1+11:58:10, xdelay
=00:02:00, mailer=esmtp, pri=11900794, relay=mail.randolph.k12.wi.us.,
dsn=4.0.0, stat=Deferred: Connection timed out with smt
p.mail.gr.
Mar 28 02:39:47 badger sendmail[17624]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=08:40:39, xdelay=00:0
0:00, mailer=esmtp, pri=1213717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: Connection reset by smtp.mail.
gr.
Mar 28 03:28:35 badger sendmail[17794]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=09:29:27, xdelay=00:0
3:48, mailer=esmtp, pri=1303717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: 470 Attempted virus scan faile
d. Please try again later
Mar 28 03:38:05 badger sendmail[17794]: [ID 801593 mail.notice]
h2QK7hi22264: timeout waiting for input from smtp.mail.gr. dur
ing client QUIT
Mar 28 03:38:05 badger sendmail[17794]: [ID 801593 mail.info] h2QK7hi22264:
to=kg at randolph.k12.wi.us, delay=1+13:30:22, xdelay
=00:02:00, mailer=esmtp, pri=12080794, relay=mail.randolph.k12.wi.us.,
dsn=4.0.0, stat=Deferred: Connection timed out with smt
p.mail.gr.
Mar 28 04:14:57 badger sendmail[17976]: [ID 801593 mail.notice]
h2RNx8A14297: timeout waiting for input from smtp.mail.gr. dur
ing client greeting
Mar 28 04:14:57 badger sendmail[17976]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=10:15:49, xdelay=00:0
5:10, mailer=esmtp, pri=1393717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: Connection reset by smtp.mail.
gr.
Mar 28 04:57:15 badger sendmail[18069]: [ID 801593 mail.info] h2RNx8A14297:
to=rotimiwest at mail.gr, delay=10:58:07, xdelay=00:0
2:28, mailer=esmtp, pri=1483717, relay=smtp.mail.gr. [193.41.150.37],
dsn=4.0.0, stat=Deferred: 470 Attempted virus scan faile
d. Please try again later