mail server info

来源:百度文库 编辑:神马文学网 时间:2024/05/01 19:53:28
#debian system
#apt-get install msmtp
#msmtp --host=smtp1.google.com --serverinfo
SMTP server at smtp1.google.com (smtp1.google.com [216.239.57.25]), port 25:
smtp.google.com ESMTP
Capabilities:
SIZE 20000000:
Maximum message size is 20000000 bytes = 19.07 MB
PIPELINING:
Support for command grouping for faster transmission
STARTTLS:
Support for TLS encryption via the STARTTLS command
This server might advertise more or other capabilities when TLS is active.