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Quota and Service Policies
| Service |
Max msg (MB) |
Max recipients |
Mailbox quota (MB) |
Access/Activity (days) |
| SMTP (See Note 1) |
25 |
100 |
n/a |
n/a |
| IMAP |
n/a |
n/a |
100/500 |
90 (see Note 2) |
| POP3 |
(See Note 3) |
n/a |
500 (See Note 4) |
90 (See Note 4) |
| ListProc |
.25 |
n/a |
n/a |
n/a |
| RESPITE |
n/a |
n/a |
n/a |
21/28 (see Note 5) |
| WebMail |
10 |
100 |
500 (see Note 6) |
n/a |
Notes:
- The SMTP limits in some cases exceed those of other mail
servers. It is possible to send a message to mail.rpi.edu
which will be rejected by other mail servers either because
it is too large, or has too many recipients, or the
recipient's mailbox is over quota. If you receive a bounced
email message, first read it to determine which server
bounced the email, and why it bounced.
- Inactive accounts, defined as those for which there has
been no IMAP or POP3 activity for 90 days, have a quota of
100 meg. New accounts start with the 100 meg quota, which is
increased once the account is active.
- POP3 limits connections to once every 5 minutes. But,
this is a soft limit with a 60 connections padding. This
allows bursts of activity, and accomodates clients that check
on send. If you check for POP3 email every 5 minutes you will
likely never see this limit. If you check for email every 1
minute the padding will run out after 72 minutes (1 hour,
plus the 12 added during that hour). If you need to check for
new email more frequently, we recomend using Thunderbird configured for IMAP.
Thunderbird supports IDLE-mode, which will tell you of new
email the moment is is available on the IMAP server.
- POP3 is a subset of IMAP which views only in the INBOX.
It is designed for older email clients. POP3 and IMAP email
both reside on the same server, and share the same quota.
IMAP folders other than INBOX cannot be viewed by a POP3
client, but their contents count against email quota.
- Messages trapped by RESPITE will be held for 21 days
before being deleted. Users can configure RESPITE to send
them an email when messages are trapped. After 28 days all
records of the message are deleted from the RESPITE database.
Messages marked as spam are cleared from the database after 7
days.
- WebMail is an IMAP client, and so is subject to that
server's storage restrictions.
Last modified:
August 29,
2008
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