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Incoming and Outgoing Mail Server Ports and Settings

Since various devices and email clients act differently and can have different settings, we've put together a list of common Incoming and Outgoing mail server ports along with the most commonly overlooked important settings for your reference when setting up an email account on your computer or mobile device.

Very important note about the IMAP and POP3 options in your email client software:

When you first configure the settings in your email software you'll have the choice to use either IMAP or POP method of connecting, although on some devices if you chose an "automatic setup" it will often default IMAP. While IMAP is handy for syncing email across multiple devices, it leaves your messages on the server forever; which will use up storage space in your hosting account. Therefore it is best to set one of your devices to use the POP3 method and in your email client software set the "Remove Messages from Server" option to "Every 2 Days", which remove messages from the server after they are two days old

Using the advice above will automatically keep your Inbox on the server clean, prevent using up all your hosting space on email messages, and still allow plenty of time for all of your other devices to grab a copy of each message from the server.


IMAP Non-SSL - Port 143 is the most common non-secured incoming port for IMAP connections.

POP Non-SSL - Port 110 is the most common non-secured incoming port for POP3 connections.

IMAP SSL - Port 993 is the most common SSL secured incoming port for IMAP connections.

POP SSL - Port 995 is the most common SSL secured incoming port for POP3 connections.


STARTTLS - Port 587 has become the most common Outgoing SMTP port, especially for mobile devices and for user's, webmail services, and ISP's that block port 25. Port 587 should be your first choice.

Non-SSL - Port 25 is a common Outgoing port and works with most devices / clients / configurations. However, some ISP's block Port 25 for SMTP servers that are not part of their network preventing you from sending via your domain, so 587 is normally used instead.

SSL Port 465 is an older / deprecated option and should be your last choice, but is sometimes required on devices that are unable to send through port 25 or 587.


TIPS - If you run into Security or Validation errors (mainly Apple products) make sure you tell your email client software to "Always Trust" the mail server certificates. Also, make sure you have "Authentication" checked / enabled for all ports incoming / outgoing.



Username - Make sure that the username you enter in your mail client software is your entire email address in the format of user@example.com (where you'd replace "user" with the actual email address username, and you'd replace "example.com" with your domain name).

Incoming / Outgoing Servers - Both your incoming and outgoing mail servers should be set to mail.example.com (where you'd replace "example.com" with your domain name). Although you can use the server's hostname (such as metro**@saratogahosting.net) you should avoid using the hostname unless complete necessary. **Take extra care to make sure that you don't use "pop." or "smtp." as the prefix of your mail servers, which many mobile devices will put there as default.** The prefix needs to be "mail." for both.

AUTHENTICATION - You must have authentication enabled in the settings of your email client for your domain email account. In MOST cases Authentication should be set to "Automatic" or "Same as Incoming Server Login" , however if you're on an ISP that does not allow you to use your own Outgoing server and you're using their SMTP server, then your ISP must provide you with your Outgoing SMTP Authentication login.

Remove Messages From Server - You should always have at least one device set to use "POP" and set to remove your messages from the server after X amount of days so that you don't fill your hosting account with years worth of junk messages or exceed inbox quotas. Typically this is done by having at least one of your devices set to access your email account as a POP account, and within the settings of your email client software you'll find a setting that allows you set "Remove messages from the server every 2 days" for example. That way your messages have plenty of time to reach all of your devices before being removed from the server and yet still keep your hosting account and inbox maintained on the server.


If you're having trouble getting your email configured properly you might want to click here to view our help articles and/or click here and submit a support ticket.

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