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A simple mail transfer protocol (SMTP) server is a computer on the Internet that help HRPro to send Internet emails.
An SMTP server receives emails from HRPro. Then it passes them on to another SMTP email server and relays them to the incoming mail server.
Without an SMTP server, you cannot send your email to recipients.
SMTP Support
SMTP Support
A simple mail transfer protocol (SMTP) server is a computer on the Internet that helps HRPro send Internet emails.
An SMTP server receives emails from HRPro, then passes them on to another SMTP server and relays them to the recipient’s incoming mail server.
Without an SMTP server, you cannot send your email to recipients.
In HRPro, you can configure SMTP by providing:
SMTP Host (e.g., smtp.gmail.com, smtp.sendgrid.net)
Port (usually 587 with STARTTLS)
User ID (email address)
Password (or app password)
Microsoft Graph Support (Planning)
Microsoft Graph Support (Planning)
Microsoft Graph is a modern, secure API provided by Microsoft 365 that allows HRPro to send emails without relying on traditional SMTP servers.
Instead of connecting with a user ID and password, HRPro uses an application identity registered in Azure Active Directory.
In HRPro, you configure Graph by providing:
Tenant ID (your Microsoft 365 organization identifier)
Client ID (the application registration identifier)
Client Secret (the application’s credential)
From Address (the mailbox that will send emails)
When HRPro sends an email through Graph:
HRPro requests an access token from Azure AD using the stored application credentials.
The token is used to call the Microsoft Graph Mail.Send API.
Microsoft 365 delivers the email directly from the specified mailbox
You can define the Email Server at
Company Setup, Email Server tab under System Manager ⇒ HRPro Setup, Company Setup, Email Server tab
This server serves WebClient and Employee Portal.
If you wish to enable different HR users to send pay slips to their employees using their own email addresses or servers (e.g. for Email Pay Slip to Employee), you define the SMTP settings at
Email Server tab in Top menu ⇒ Tools ⇒ Personal Options
These will override the settings in Company Setup. (To clear the settings in Personal Options, leave blanks on every item.)
SMTP Settings
SMTP Settings
SMTP Server
It is either the SMTP Server provided by your ISP, any SMTP server on the cloud or your company email server.
(you can test your settings in Online SMTP Test - Send and Check your Email Server (smtper.net)🡕 to make sure your SMTP settings are correct. ).
Port
The SMTP Port that the SMTP Server is allowed to use. e.g. 25 (for unencrypted connections), 465 (for SSL connections) and, 587 (for TLS connections).
User ID and Password
Whether User ID and Password are required is depending on the SMTP server security requirement. Leave it blank if the server does not require authentication.
Secure Socket Options
This is the option to define how to connect to the SMTP server when connecting using SSL or TLS.
Auto Let the mail client automatically decide which SSL or TLS options to use (default). Select Auto if the SMTP server is conformed to the IETF and IANA Standard.
Ssl On Connect The connection should use SSL or TLS encryption immediately.
Start Tls Elevates the connection to use TLS encryption immediately after reading the greeting and capabilities of the server. If the server does not support the STARTTLS extension, then the connection will fail and a NotSupportedException will be thrown.
Start Tls When Available Elevates the connection to use TLS encryption immediately after reading the greeting and capabilities of the server, but only if the server supports the STARTTLS extension.
None No SSL or TLS encryption should be used. e.g. If you encountered the error "The handshake failed due to an unexpected packet format.".
No SSL Certificate Validation
Usually, this option is not required to check unless you encountered the error "The remote certificate is invalid according to the validation procedure."
Sender Email
The validity of the Sender Email is depending on the SMTP Server verification.
Sender Name
The name of the Sender Email that is displayed on the email. e.g. HR Department
CC to the sender
When this option is checked, every outgoing email will have a copy sent to the Sender's Email.
BCC to the sender
When this option is checked, every outgoing email will have a Blind Carbon Copy sent to the Sender's Email.
Click the Test Email button to test the settings, if the settings are correct, you will receive a testing email on the mailbox of the Sender Email.
Sample Settings for ISP provided SMTP Server
Sample Settings for ISP provided SMTP Server
SMTP Server
Most of the time you can input the SMTP server provided by your ISP, set the Port to 25 and leave the User ID and Password empty.
e.g.
Netvigator (Home) mail.netvigator.com / smtp.netvigator.com
Netvigator (Commercial) corpmail1.netvigator.com
HKBN (Enterprise Solutions) smtp.mail.hkbnes.net
HGC mail.on-nets.com
Pacnet smtp.pacific.net.hk
I-Cable smtp.i-cable.com
Smartone smtp.smartone.com
HKNET smtp.hknet.com
NWT smtp.nwtbb.com
Three smtp.three.com.hk
PCCW Mobile mail.netvigator.com
One2Free mail.csl1010.com
External Reference:
Sample Settings for Google Gmail Server
Sample Settings for Google Gmail Server
External Reference:
SMTP Server: smtp.gmail.com
Port: 587
Secure Socket Options: Auto
No SSL Certificate Validation: False
UserID: [gmail email address]
Password: [app password🡕]
Sender Email: [gmail email address]
Sender Name: [English Name for the Gmail email address]
Starting May 1, 2025, Google Workspace accounts no longer support less secure apps, third-party apps, or devices that ask you to sign in to your Google Account with your username and password. Instead, you can use the app password🡕 that gives a less secure app or device permission to access your Google Account.
Please noted that Google has some restrictions in place to be sure that your email account is not flagged as a potential spammer.
If you exceed the number of daily messages in Gmail, your account will automatically reset and you'll be able to begin sending messages again in up to 24 hours.
G Suite users have a limit of 2,000 email messages per day.
Gmail (free account) users have a limit of 500 email messages per day.
Sample Settings for Microsoft Office 365 (SMTP client submission)
Sample Settings for Microsoft Office 365 (SMTP client submission)
SMTP Server: smtp.office365.com
Port: 587
Secure Socket Options: Auto
No SSL Certificate Validation: False
UserID: [office365 email address]
Password: [Password for office365 email address)
Sender Email: [office365 email address]
Sender Name: [English Name for the office365 email address]
Please noted that Office 365 have some restrictions in place to be sure that your email account is not flagged as a potential spammer.
Office 365 users are limited by the following:
10,000 sent email messages per day
500 recipients total for a single email
30 emails sent per minute
Sample Settings for Yahoo! Ymail Server
Sample Settings for Yahoo! Ymail Server
SMTP Server: smtp.mail.yahoo.com
Port: 465
Secure Socket Options: Auto
No SSL Certificate Validation: False
UserID: [Yahoo! email address]
Password: Generate App Password🡕
Sender Email: [Yahoo! email address]
Sender Name: [English Name for the Yahoo! email address]
Yahoo’s SMTP comes with a strict limit of 500 emails per day and each message can only be sent to up to 100 recipients.
These limitations were originally set by Yahoo Mail to prevent spammers from sending mass unsolicited messages.
External Reference:
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