JLab Email
ATTENTION JLab Staff
If you are a Jefferson Lab (JLab) employee, your Email and Calendar is in Office 365 (O365).
The information below is for the dovecot systems; not O365. Please visit the O365 webpages for information and instructions on the O365 email and calendar system.
After receiving your Jefferson Lab (JLab) computer user account, you will be capable of using the electronic mail (email) services provided by the Computing and Networking Infrastructure (CNI) group. Your assigned username and password will allow you to retrieve and send email through the JLab mail server.
An e-mail message is a record if it documents JLab's mission or provides evidence of a JLab business transaction. Visit Records Management for guidelines on handling email records.
Please find links below on for detailed instructions on configuring your JLab email, off-site usage, email maintenance (how to keep your email from bogging down), which includes our size limitations, and spam filters. For advanced users, please see our Quick Instructions below for ther server names and settings for your JLab email account.
Quick Instructions
Server Setting | Protocol/Server Name | Authentication Type | Port |
Server Type | IMAP | N/A | |
Incoming Server* | mail.jlab.org | SSL | 993 |
Outgoing Server | smtpmail.jlab.org | No | 25 |
Outgoing Server for Off-site, Laptops, and/or Cell Phones | smail.jlab.org | SSL | 465 |
Mailing Lists, Vacation Emails, and Forwarding
You may visit Mailing Lists for information on mailing list at JLab. Please use the Vacation Email Utility or Mail Forward and Procmail Utility to configure an automatic vacation message or forward your JLab email to an outside email address. You will need to login with your current JLab username and password to access these utilities.
Size Limit
The email size limit is 20MB. This means you shouldn't attach files any larger than 20MB to JLab emails. They may not reach their destination if they're too large.
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