Netro Support: Mail Server Settings

Netro Webmail
Available from any modern web browser and Internet connection that supports secure connections:

Mail Client Settings

Server Information
Server type: POP3 (Post Office Protocol)
Incoming Mail (POP3):
- Port: 995 or 110*
- Username: userid (excluding the domain "")
- Password: ************ (Note: Case sensitive)
Outgoing Mail (SMTP):
- Port 465 or 587*
- Password authentication required, use same login details as incoming mail, also known as:
- Simple Authentication and Security Layer (SASL)
- External access customers: (check with your ISP) e.g.

Mail client configuration:
- Apple iOS (iPhone, iPad & iPod Touch)
- Apple MacOS (e.g. MacBook & iMac)
- Google Android (e.g. Pixel, LG, Motorola Moto, Samsung Galaxy)
- Microsoft Mail
- Microsoft Outlook
- Webmail (e.g. Netro, Gmail, & Yahoo)
Popular mail clients based on: Email Client Market Share

- For security unencrypted POP (Post Office Protocol), SMTP (Simple Mail Transfer Protocol)
  and HTTP (HyperText Transfer Protocol) are no longer supported.
- POP3S/SMTPS/HTTPS (note the "S" suffix for secure) encrypts data in transit using
  TLS (Transport Layer Security), preventing passwords and sensitive information from being
  transmitted openly over the Internet in plain text to our mail server's, such as from an
  insecure public Wi-Fi hotspot.
- Proprietory connections such as Microsoft Secure Password Authentication (SPA) are not supported.
* Please note STARTTLS (POP/SMTP port 110/587) is not as secure as (POP3S/SMTPS ports 465/995).

- Encryption Supported (e.g. outdated SSL 2/3 connections not supported)

- Post Office Protocol (POP)
- Simple Mail Transfer Protocol (SMTP)
- Extended Simple Mail Transfer Protocol (ESMTP)
- Simple Authentication and Security Layer (SASL)
- HyperText Transfer Protocol (HTTP)
- Transport Layer Security (TLS) (including predecessor Secure Sockets Layer (SSL)
* Opportunistic TLS e.g. STARTTLS & STRIPTLS vulnerability.
- Email encryption in transit
- Secure Password Authentication (SPA)

Mail Server Policy
Various restrictions have been implemented on the Netro mail server
to ensure performance, improve security and reduce unsolicited email (SPAM)

Mail Size Limits
Per Message: 10 MB
Mailbox Total: 25 MB

Mail Time Limits
POP clients (eg Outlook): None, providing account is current.
Webmail client: None, except Trash folder purged after 3 months (92 days)

Sender Restrictions
- Hostname must be valid
- FQDN (Fully Quantified Domain Name) must be specified
- Domain must resolve
- Domain must have reverse lookup
- SPF (Sender Policy Framework) checked

RBL (Real-time Black list)
Must not be listed in a RBL such as Spamcop

Recipient Restrictions
Non "" address recipients must be configured on our system, including
- Valid MX (Mail Exchange) record
- Listed as virtual domain
- Email addresses must be mapped to a local mailboxes in the virtual address table

Related Links
Mail FAQ
Spam Filtering
Abuse /Relaying
Realtime Black Listing

Updated Jun 17