Can I use any port for SMTP?

Can I use any port for SMTP?

Port 25 is the default port for relaying email on the internet. However, you can specify any port number (Provided it is within the acceptable range of custom port numbers) for submitting emails to your SMTP server. There are special cases when you must use port 25 on your SMTP server.

Which port does the SMTP service run on?

port 25
Communication between mail servers generally uses the standard TCP port 25 designated for SMTP.

How do I change SMTP settings in Outlook 2007?

Setting up Outlook 2007 with SMTP2GO

  1. Select ‘Account Settings’ from the Tools Menu of Microsoft Outlook.
  2. Select your mail account and click Change…
  3. Enter your email address into the E-mail Address field.
  4. Click on the ‘Outgoing Server’ tab.
  5. Change your Outgoing server (SMTP) Port Number to 2525.

What SMTP port should I use?

Whereas port 25 is the recommended port number for SMTP communications between mail servers (i.e., for relaying messages), port 587 is the one recommended for message submissions by mail clients to mail servers.

Which ports needed to be opened for SMTP server?

You should use port 587 as default SMTP port . Almost all mail servers support this port . In fact, Port 587 is the one recommended for mail submissions instead of port 25 as per RFC 2476. But even if the mail server supports it, it may or may not be open for mail submissions.

What is the default port of SMTP server?

Port 25 – this is the default SMTP non-encrypted port;

  • Port 2525 – this port is opened on all SiteGround servers in case port 25 is filtered (by your ISP for example) and you want to send non-encrypted emails with
  • Port 465 – this is the port used if you want to send messages using SMTP securely.
  • Which SMTP port should be used with SSL/TLS?

    Email Program/App Settings Thunderbird Apple Mail Outlook. The incoming and outgoing SSL settings are shown on the same tab as can be seen below, the important change in this case is the “Outgoing sever (SMTP)”, but iPhone/iPad eM Client. You should use port 465 with “Use SSL/TLS on special port (legacy)” as the preferred option. MailDroid.