新人求助不能发送邮件只能接受了

mithli

01:19 12:45 SMTP-(6c4b00af01320e7b) Connect csun.edu [198.188.2.15:25] (1)
01:19 12:45 SMTP-(6c4b00af01320e7b) 220 piranha.csun.edu ESMTP Sendmail 8.13.8/8.13.8; Tue, 18 Jan 2011 20:39:07 -0800
01:19 12:45 SMTP-(6c4b00af01320e7b) >EHLO aeua.org
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-piranha.csun.edu Hello [XX.XX.XX.XX], pleased to meet you
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-ENHANCEDSTATUSCODES
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-PIPELINING
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-EXPN
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-VERB
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-8BITMIME
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-SIZE 26214400
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-DSN
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-ETRN
01:19 12:45 SMTP-(6c4b00af01320e7b) 250-DELIVERBY
01:19 12:45 SMTP-(6c4b00af01320e7b) 250 HELP
01:19 12:45 SMTP-(6c4b00af01320e7b) >MAIL FROM:<XXXX@XXX.org>
01:19 12:45 SMTP-(6c4b00af01320e7b) 250 2.1.0 <XXX@XXX.org>... Sender ok
01:19 12:45 SMTP-(6c4b00af01320e7b) >RCPT To:<XXX@XXX.edu>
01:19 12:45 SMTP-(6c4b00af01320e7b) 250 2.1.5 <XXX@XXX.edu>... Recipient ok
01:19 12:45 SMTP-(6c4b00af01320e7b) >DATA
01:19 12:45 SMTP-(6c4b00af01320e7b) 354 Enter mail, end with "." on a line by itself
01:19 12:45 SMTP-(6c4b00af01320e7b) >.
01:19 12:45 SMTP-(6c4b00af01320e7b) 550 5.7.1 Blocked by SpamAssassin
01:19 12:45 SMTP-(6c4b00af01320e7b) ERR undeliverable 550 5.7.1 Blocked by SpamAssassin
01:19 12:45 SMTP-(6c4b00af01320e7b) SMTP_DELIV_FAILED
01:19 12:45 SMTP-(6c4b00af01320e7b) >QUIT

不能往外发邮件，请斑竹帮忙看下是什么问题

lgj858

01:19 12:45 SMTP-(6c4b00af01320e7b) 550 5.7.1 Blocked by SpamAssassin
01:19 12:45 SMTP-(6c4b00af01320e7b) ERR undeliverable 550 5.7.1 Blocked by SpamAssassin
01:19 12:45 SMTP-(6c4b00af01320e7b) SMTP_DELIV_FAILED


被反垃圾的过滤了