Fast Deployment and Unlimited Accounts
- Deploy full-featured mail server in LESS THAN 1 MINUTE. (View YouTube Video to check how easy it is)
- Unlimited number of mail domains
- Unlimited number of mail users
- Unlimited number of mail lists
- Unlimited number of mail aliases
Supported Distributions & Arch (Contact us if you need mail server on other distributions)
| Distribution |
Version |
i386 |
x86_64 |
| Red Hat Enterprise Linux |
5.x |
 |
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| CentOS |
5.x |
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| Debian |
5.x |
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| Ubuntu |
8.04, 9.04, 9.10 |
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| FreeBSD |
7.x, 8.x |
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Supported Backends which used to store virtual mail domains & users
| Backend |
Web-based Admin Tool |
Build-in Mail List |
Build-in Global LDAP Address Book |
| OpenLDAP-2.3.x/2.4.x |
iRedAdmin, phpLDAPadmin |
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|
| MySQL-5.x |
phpMyAdmin, PostfixAdmin |
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Service Restrictions
| Service |
Per-user support |
Per-domain support |
| Mail service |
|
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| Sender BCC |
|
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| Recipient BCC |
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| Sending mail via SMTP |
|
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| Fetching mail via POP3 |
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| Fetching mail via POP3S (POP3 over TLS/SSL) |
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| Fetching mail via IMAP |
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| Fetching mail via IMAPS (IMAP over TLS/SSL) |
|
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| Receiving mail |
|
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| Mail forwarding |
|
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| Customize mail filter rule |
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Note:
- Mail service means all mail related services, include POP3, IMAP, SMTP and other services listed above.
- Domain BCC setting will override per-user BCC setings.
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Global LDAP Address Book Control (Show account mail address in per-domain ldap address book)
| Per-user support |
Per-mail-list support |
Per-alias support |
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Anti-Spam & Anti-Virus
- SPF (Sender Policy Framework) Validation support.
- DKIM (DomainKeys Identified Mail) signing and verification support.
- Greylist support.
- Whitelist support. Based on both DNS name and IP address.
- Blacklist support. Based on both DNS name and IP address.
- Blacklist HELO support.
- HELO Randomization Prevention (HRP) support.
- Spamtrap support.
- SpamAssassin integration.
- ClamAV integration for anti-virus, auto-update virus database.
Sender & Recipient Throttling
WebMail
| Program |
Vacation Support |
Global LDAP Address Book Support |
Mail filter Support |
| Roundcube WebMail |
|
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Supported Mail Clients
All mail clients which support POP3/POP3S, IMAP/IMAPS. Such as Thunderbird, Outlook, etc.
Main components and working process
Image comes from: http://workaround.org/ispmail/lenny/bigpicture