Mail server, what else?

2013-07-12 Thread J Gao
Hi, All, I just built a new mail server and so far it works well. It took me almost two weeks to figure out all kind of stuff. I want to protect the mail system at the best effort to use open source or free licensed software. Now I would like your advises on my system so I can improve it

Re: which type of list should I use ?

2013-07-12 Thread Jeroen Geilman
On 07/10/2013 04:04 PM, jeffrey j donovan wrote: On Jul 9, 2013, at 10:18 PM, jeffrey j donovan dono...@beth.k12.pa.us wrote: Greetings it's been a while since I have done this. I have an old server running a mail list. I have successfully relocated the list to a new server. what i need to

Re: Mail server, what else?

2013-07-12 Thread J Gao
Forgot to mention that I also use SASL to authenticated user: SMTP on port 587 only (STARSSL) IMAP on port 993 (SSL) POP3 on port 995 (SSL) So for email, port 25, 587, 993,995 is opened on firewall. -- __ _|==|_ ('')__/ --(`^^') (`^'^'`) `=='

Re: Mail server, what else?

2013-07-12 Thread Erwan David
Le 12/07/2013 21:08, J Gao a écrit : Forgot to mention that I also use SASL to authenticated user: SMTP on port 587 only (STARSSL) IMAP on port 993 (SSL) POP3 on port 995 (SSL) So for email, port 25, 587, 993,995 is opened on firewall. STARTTLS also exists in IMAP or POP3 (where it is

can't read SMFIC_RCPT reply packet header errors with large attachments

2013-07-12 Thread Quanah Gibson-Mount
Note: postfix 2.7.10 release A number of customers are noting that they are getting the following error when using a milter: Jun 26 20:18:10 zmail postfix/smtpd[11438]: connect from server.domain.com[1.2.3.4] Jun 26 20:18:10 zmail postfix/smtpd[32729]: NOQUEUE: filter: RCPT from

Re: can't read SMFIC_RCPT reply packet header errors with large attachments

2013-07-12 Thread Wietse Venema
Quanah Gibson-Mount: Note: postfix 2.7.10 release A number of customers are noting that they are getting the following error when using a milter: Jun 26 20:18:10 zmail postfix/smtpd[32729]: NOQUEUE: filter: RCPT from server.domain.com[1.2.3.4]:

rcpt to other domain

2013-07-12 Thread Mohsen Pahlevanzadeh
Dear all, I have a smtp account , but i can't send to other domain, Suppose: / root@debian:/home/mohsen# telnet MYHOST 25 Trying 74.207.236.196... Connected to MYHOST. Escape character is '^]'. 220 MYFQDN ESMTP Postfix ehlo MYHOST

bounce departed users email

2013-07-12 Thread Donny Brooks
We run postfix 2.6.6 on a CentOS 6.3 server with a OpenLDAP 2.4.23 as a backend. Up until recently when a user would depart the agency we would just change their password and forward their email to their supervisor. However today we have had a user that has left that gets literally over a

Re: can't read SMFIC_RCPT reply packet header errors with large attachments

2013-07-12 Thread Quanah Gibson-Mount
--On Friday, July 12, 2013 4:10 PM -0400 Wietse Venema wie...@porcupine.org wrote: Quanah Gibson-Mount: Note: postfix 2.7.10 release A number of customers are noting that they are getting the following error when using a milter: Jun 26 20:18:10 zmail postfix/smtpd[32729]: NOQUEUE: filter:

Re: bounce departed users email

2013-07-12 Thread Noel Jones
On 7/12/2013 4:44 PM, Donny Brooks wrote: We run postfix 2.6.6 on a CentOS 6.3 server with a OpenLDAP 2.4.23 as a backend. Up until recently when a user would depart the agency we would just change their password and forward their email to their supervisor. However today we have had a user

Re: can't read SMFIC_RCPT reply packet header errors with large attachments

2013-07-12 Thread Wietse Venema
Quanah Gibson-Mount: It is possible that the Milter times out when requests from Postfix are too far apart in time. The Postfix SMTP server has a 300s time limit for client commands (reduced to 10s under overload). The Milter time limit may be less. ... Ok, thanks! We've tried bumping up

Re: Mail server, what else?

2013-07-12 Thread LuKreme
On 12 Jul 2013, at 12:55 , J Gao j...@veecall.com wrote: - Postfix 2.6.6 + Courier(Support virtual domain) Why would you setup a new system with a four year old version of Postfix that it is not even supported? 2.10 is current and 2.11 is right around the corner. -- I have seen galaxies die.

Re: Mail server, what else?

2013-07-12 Thread J Gao
On 13-07-12 04:06 PM, LuKreme wrote: On 12 Jul 2013, at 12:55 , J Gao j...@veecall.com wrote: - Postfix 2.6.6 + Courier(Support virtual domain) Why would you setup a new system with a four year old version of Postfix that it is not even supported? 2.10 is current and 2.11 is right around the

Re: Mail server, what else?

2013-07-12 Thread LuKreme
On 12 Jul 2013, at 17:15 , J Gao j...@veecall.com wrote: I could use 2.10 but I thought this will be safe for CentOS 6. It might just be me, but I don't consider any software that is no longer supported to be safe, especially not something as critically important as an MTA. -- A bird in the

Re: Mail server, what else?

2013-07-12 Thread Scott Kitterman
On Friday, July 12, 2013 05:22:27 PM LuKreme wrote: On 12 Jul 2013, at 17:15 , J Gao j...@veecall.com wrote: I could use 2.10 but I thought this will be safe for CentOS 6. It might just be me, but I don't consider any software that is no longer supported to be safe, especially not something