![]() If you’re having trouble authenticating with a relay host, try with this option set. When 587 is unavailable or doesn’t work as expected, use port 2525 as an alternative. The Port Status lights should look like that below. Choose Dovecotgo to its relevant section and turn it on. It allows the user to create nested sub-folders, any level deep. With UW/IMAP, the folder structure is only a single-level deep. It comes with TLS encryption and is the officially recognized port for email submission. MailServe Pro offers a choice of two IMAP flavours. This is needed, e.g., if the relay host is, which requires the password authentication mechanism to be of type “plain”, or some such similar smtp servers. Whenever you’re given a choice, you should use 587 as the default SMTP port. Version 12.0.2 added a new “Use Plain Login” checkbox to the outgoing smtp relay host parameters. Note : if the Smart Host needs to be contacted on a port other than 25, add the port number after the Smart Host name, after a colon. Ask if you need to authenticate with it, the user name and password you should use, and whether it requires the connection to be made over SSL, or via a port other than port 25.Įnter all these parameters into the MailServe interface, as shown below. First, check with your Internet provider and ask them for an SMTP server you can use as a Smart Host. Otherwise, you may need to set up a Smart Host. If all goes well, you'll see the message appear at your destination. If you disable ClamAV, you can use less RAM and CPU. Place this script anywhere on your server and run it by typing the script's URL from a browser. Then I would create a PHP script like this, which uses the PHP mail() command, assuming I'm sending to a destination address at mac.com : The important setting is for the Outgoing Mail Server (SMTP), below, which I've set to "localhost", localhost being the correct technical term for the local server. The Incoming Mail Server is any POP or IMAP server that I currently use. This is how you set up Mail's Account Preferences, running on your server machine, to send mail out the local SMTP server that you had just enabled. Sending mail from Mail.app, running on the server machine ![]() Please read the "Setting up a Smart Host" section below. In either of these cases, the problem can be solved by routing your server's outgoing mail through a Smart Host. The other is if your server is on a dynamically assigned public IP address and you're finding a lot of your outgoing mail being returned as spam-this is because some mail server admins assume that all mail coming from a dynamic IP address are spam (which is a rather simplistic assumption but never mind). One is where you're on a network whose ISP blocks port 25, thus preventing your server from sending out any mail-unless the mail is routed first through the ISP's designated SMTP server, using it as a Smart Host. ![]() There are a couple of cases where this is not enough and you would have to take the additional step of setting up a Smart Host. With the Postfix SMTP server now active, you should be able to send mail from a mail client like Mail.app running your server machine, as well as any PHP or command-line scripts.
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