Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Alternatives to SMTP Mailer
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Send WordPress emails from a M365 / Exchange Online Mailbox using Microsoft Graph, leveraging OAuth for authentication which is more secure than SMTP
AuthenticSenderv1.0.3
Configure WordPress to send email via SMTP, UseSend, or Resend instead of the built-in mail() function.
Send email using an SMTP email sever. Configure WordPress wp_mail, and phpmailer, to use your SMTP (outgoing) mail server when sending email.
CodingBunny Mail SMTPv1.0.7
Configure an SMTP server to send emails from your WordPress site. Simple, lightweight, and secure.
Gmcfuerte SMTP Transportv1.0.4
Send WordPress mail through your own authenticated SMTP account, with an encrypted password and a test send that reports the real error.
SMTPifyv1.0.1
Routes wp_mail() through your provider's SMTP server. Simple settings page, built-in test tool, nothing else.
Flex SMTPv1.0.3
Send WordPress mail through SMTP or a provider HTTP API, with a test send and delivery log.
Prostylemedia SMTPv1.1.1
SMTP for WordPress with Microsoft 365 OAuth2, Classic SMTP, Hosting Relay, default mail, logs, reports and multilingual admin.
Meser10 Mailerv1.0.2
Send the email WordPress generates through your Meser 10 account instead of the server's own mail function.