Index
Subject
: Re: LUG: Sendmail and Squirrelmail
From
: Ed Anderson <nilbus@nilbus.[redacted]>
Date
: Mon, 28 Nov 2005 11:25:59 -0500
Parent
yes, an MX can be either an IP or a DNS record.
On 28/11/05 10:06 -0600, Brian Sadler wrote:
> Thanks for the quick reply Mark. Here's another quick question.
>
> Can an MX Record be an IP address?
>
> Thanks,
>
> Brian
>
> -----Original Message-----
> From: lug-owner@lists.ncsu.[redacted] [mailto:lug-owner@lists.ncsu.[redacted]] On Behalf
> Of mark@thefowles.[redacted]
> Sent: Monday, November 28, 2005 9:01 AM
> To: lug@lists.ncsu.[redacted]
> Subject: Re: LUG: Sendmail and Squirrelmail
>
>
> are you able to do a lookup on your domain from the internet? Just curious
> - mail.yourdomain.com .... (this should see the mx record) - The rest of
> what you;ve done seems ok (Sending the mail).
>
> You need 25, 109/110 open in your firewall (I think) .. along with 80, and
> 53 (DNS) .....
>
>
> - Mark
>
> > Hi everyone,
> >
> > I am somewhat new to linux so please forgive if this is a stupid or
> > newbie question. I am setting up a fedora core 4 linux server to run
> > sendmail and squirrel mail for webmail. I also have dovecot installed
> > but I'm not 100% sure that I need it.
> >
> > If my understanding of the mail server is correct, I need to be
> > running sendmail (its the MTA), dovecot (for IMAP/POP3 protocol), and
> > squirrelmail
> > (webmail) to have this mail server setup properly, is this correct? I
> > want
> > my users to use imap to get their mail for security reasons. We only have
> > about 20 users or so will be using this but they do a lot of email. Am I
> > correct in feeling that I need all three of these programs to get the mail
> > system and webmail running?
> >
> > If I understand the concepts, sendmail is responsible for handling the
> > incoming and outgoing mail. Dovecot is what allows the users to
> > access their mail stored on the server via the pop3 or imap protocols,
> > and squirrelmail allows them to access the mail via imap using a web
> > interface (for when they are at home or on the road). All three of
> > these are necessary for mail to run properly except squirrelmail
> > (although it is needed for the webmail). Is this correct?
> >
> > In order to setup this server to accept mail for a domain, I know that
> > I have to have the MX record pointed to its ip address. No problem
> > there.
> >
> > I am able to connect using imap and send mail from inside the network
> > but I'm having trouble receiving mail from outside the intranet. I
> > have a small hole poked in our sites firewall to allow smtp and http
> > traffic.
> >
> > I have a couple test accounts setup and can send mail to outside
> > addresses and internal address just fine, but receiving mail seems to
> > have a problem from outside. Are the smtp and http protocols ports
> > the only ones I need open on the firewall? I believe that they are
> > but want to double check the theory.
> >
> > If I type in an address of username@216.0.0.[redacted] (ip address is not the
> > real address), shouldn't mail come to the server?
> >
> > Also, any suggestions on an easy to use and fairly secure ldap server
> > (for a central address book) would also be appreciated or do we not
> > need LDAP for a
> > central address book.
> >
> > Any help would be most greatly appreciated.
> >
> > Sincerely,
> >
> > Brian
> >
> > P.S. Telling me to RTFM is not helpful. I've read it. If thats all
> > you can say, please don't reply at all. Sorry about this but I've had
> > several rude replies from the internet on so called helpsites.
> > Hopefully this will be different.
> >
> > --
> > This message has been scanned for viruses and
> > dangerous content by MailScanner, and is
> > believed to be clean.
> >
> >
>
>
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
>
>
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