Postfix - Checking for an Open Relay | Knowledge Center | Rackspace Hosting Open relays are a bad thing — they allow anyone to send email from your mail server. The mail server does not check that it is authorized to send mail from the mail address on the third-party email. What this means is that anyone can send email via your C
Test mail server for an open relay - nixCraft It is depend upon your MTA. For example postfix use following directives: smtpd_recipient_restrictions = permit_sasl_authenticated, reject_unauth_destination, permit_mynetworks, reject_unknown_recipient_domain, reject_rbl_client relays.ordb.org, reject_rb
Postfix - Checking for an Open Relay | Knowledge Center ... 2014年6月16日 - By default, Postfix does not run as an open relay. However, checking for one is very ...
如何關閉postfix open relay 避免被relay 呢- 藍色小舖BlueShop Dear 各位大大 小弟的postfix mail server 的main.cf 把註解殺掉後的設定如下 請問出了 ...
How do I verify that my server is not acting as an open relay? Diagnostics To check if your server is really acting as an open relay try to connect to it from another server ... 220 hostname ESMTP Postfix mail from: test@domain. tld 250 2.1.0 Ok rcpt to: ...
How to disable open relay on Postfix? - HowtoForge Forums ... Open relay, yet again, concerns me. I followed the Falko's guide on installing Debian ...
centos - Postfix- open relay. How to configure so it is not ... 2012年8月29日 - I can now send email and it works, but MX tests say that it is an open relay ( obviously ...
Postfix SMTP relay and access control - Postfix Documentation ... sites such as open mail relays, open web proxies, and home computers that have been compromised ...
How to Fix an Open Relay in Postfix - Internetblog.org.uk 2010年7月16日 - As I have been reiterating all week, an open relay is a bad idea. If your mail server is ...
Postfix 关闭open-relay_李军_新浪博客 2012年12月5日 - 1,什么是open-relay ? 顾名思义,relay的转发的意思, Open-Relay(开放转发或匿名 ...