vpostmaster and Centos 6
Frontending an exchange setup I assume that I dont have to use POP or IMAP, that I can just filter and have the mail delivered via the vpostmaster to exchange. I’m not intimately familiar with...
View ArticleSystem Hanged – No Info In Logs.
I had today a problem with my mail server (2.6.18-274.12.1.el5 #1 SMP Tue Nov 29 13:37:35 EST 2011 i686 i686 i386 GNU/Linux, CentOS release 5.7 (Final)). On my Cacti graphs I see that there has been...
View ArticleAn Assortment Of Mail Serving Issues
I moved to a new CentOS6 install after an old CentOS5 server started exhibiting problems. I am having mail serving issues and they are confusing. I am seeing both Sendmail and Zimbra issues. We front...
View ArticleAn Assortment Of Mail Serving Issues – PARTIALLY SOLVED
OK, I solved this, partially. It turns out that this is ‘nearly always caused by a host that is configured on private IP Space (or using NAT) and that does not have an interface for the public IP...
View ArticleDoes SMTP Connection Drop When Posfix Reload is Issued ?
I work with ISP, we host email service for almost 500+ companies and 200+ mail servers relay through my smart host. I implemented something that when our smart host would become blacklisted. It will...
View ArticleSELinux Prevents My PHP Script From Sending Mail
I maintain an amateurish email list for my wife’s website on my CentOS 6 server. Once-a-month, she sends mail to “mylistaddr@mydomain.com” and the /etc/aliases file redirects that to my script:...
View ArticleCyrus-imapd Update From 2.2.12 To 2.3.16
We are trying to move our mail store from a host running cyrus-imapd 2.2.12 under CentOS-4 to one running 2.3.16 under CentOS-6. The current host is a 32 bit architecture. The new host is 64 bit. We...
View ArticleSendmail Problem – Baffled
Our backup mail server (which I have just re-configured) tries to contact the primary mail server, and fails. My log shows repeatedly ”connection refused”: May 15 22:21:41 mx2 sm-mta-rx[8674]:...
View ArticleHow To Handel SMTP To Public Servers
You could get your firewall ACCEPT but LOG the outgoing 25 from anything but your mailhub. Have often wondered whether a transparent mail-proxy could be set up, similar to a transparent web-proxy, with...
View ArticleProcmail/Formail Problem On 6.3
Hi!In the process of making mysystem work again, having just done a reinstall of 6.3 x86_64.I have a considerable collection of procmail recipes for filtering mail in various ways, and since the...
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