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Plugin Description
Using SMTP protocol to transfer emails ensures solid operations.
It is very easy to set up SMTP. You can find the settings for this plugin at the bottom of WordPress admin menu Options / General.
You should get your SMTP settings from your ISP, hosting provider, webmaster, email provider etc.
Using every option SMTP URI formally looks like this:
smtpTLS://USERNAME:PASSWORD@HOST:PORT
Thus encryption type and :// and user name and : and password and @ and mail server name and : and port number.
All except encryption type and mail server (host name) are optional.
SMTP encryption types are as follows:
- For encrypted connection (STARTTLS on submission port) start your SMTP URI with
smtpTLS:// – the default port is 587.
- For fully SSL encrypted connection (SMTPS) start it with
smtps:// – the default port is 465.
- For unencrypted connection (plain SMTP) start it with
smtp:// – the default port is 25. This is not recommended for non-local servers.
WARNING! Use URL-encoded strings.
You can find the settings for this plugin at the bottom of WordPress admin Options / General.
You may define your SMTP URI also in wp-config.php:
define( 'SMTP_URI', 'smtpTLS://USERNAME:PASSWORD@HOST:PORT' );
To set From: name and From: address use
WP Mail From II plugin.
SMTP error logging
SMTP communication errors are logged in PHP error.log and – if
Sucuri Scanner
plugin is available – are sent to Sucuri and can be viewed in its Alert Logs panel.
Adding automatic Bcc: address
An automatic Bcc: address can be set by adding path to SMTP URI: /admin_email.
SMTP debugging
Add query string to SMTP URI: ?debug.
Debug level can be set by adding a value: ?debug=4, possible values: 0,1,2,4
TODO
- Option to skip newsletters: ALO Newsletter, Newsletter, Mailpoet.
- Video on installing and setting up this plugin.
- Remove
smtp_uri option on uninstallation (I hope you won’t uninstall it)
Usage examples
Unauthenticated local SMTP server on port 25
smtp://localhost
Unauthenticated local SMTP server on submission port
smtpTLS://localhost
Authenticated connection to localhost on port 25
smtp://john.doe:Secretpwd1@localhost
“@” sign in the username, a Gmail example
smtps://your.address%40gmail.com:Gmail_password@smtp.gmail.com
Sendgrid example
smtpTLS://CREDENTIAL-USERNAME:PASSWORD@smtp.sendgrid.net
Mandrill example
smtpTLS://REGISTERED%40EMAIL:API-KEY@smtp.mandrillapp.com
Unauthenticated SMTP server on a custom port
smtpTLS://mail.server.net:2525
Development goes on on GitHub.
Screenshots
No screenshots provided
