EHLO - Sendmail SMTP后事务失败


Transaction failed after EHLO - Sendmail SMTP

你知道我为什么在这次谈判中得到Transaction failed吗?

CONNECTING TO mail.example.com
SUCCESS
220 ESMTP Sendmail 8.11.6/8.11.6; Thu, 14 Jul 2011 00:12:44 +0200
EHLO mail.example.com
554 Transaction failed.

是Sendmail有问题还是有基于IP地址的某种保护?

服务器在执行EHLO命令后断开连接。

问题在于行尾不正确

Was: EHLO mail.example.com'n

应为:EHLO mail.example.com'r'n