2025-11-05 10:08:09分类:人工智能阅读(8425) 
复制[root@fyhtest mail]# telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is ^]. 220 fyhtest.163.net ESMTP Sendmail 8.12.5/8.12.5; Thu,
10 Apr 2003 16:35:42 -0400 ehlo test 250-fyhtest.163.net Hello localhost [127.0.0.1], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-8BITMIME 250-SIZE 250-DSN 250-ETRN 250-AUTH LOGIN PLAIN 250-DELIVERBY 250 HELP 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.