Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Alternatives to Prostylemedia SMTP
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
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.
Send WordPress emails through Gmail or Google Workspace using secure OAuth 2.0, with a built-in test email tool and PRO mail logging.
Gmail SMTPv1.2.3.23
Connect to Gmail SMTP server to automatically send email from your WordPress site. Configure wp_mail() to use SMTP with OAuth 2.0 authentication.
Flex SMTPv1.0.3
Send WordPress mail through SMTP or a provider HTTP API, with a test send and delivery log.
Send email using an SMTP email sever. Configure WordPress wp_mail, and phpmailer, to use your SMTP (outgoing) mail server when sending email.
AuthenticSenderv1.0.3
Configure WordPress to send email via SMTP, UseSend, or Resend instead of the built-in mail() function.
Kaddora MailFlow SMTPv1.0.0
Secure WordPress email delivery with SMTP and supported provider APIs, encrypted credentials, test email, source-aware logs, and basic reports.
Logs WordPress email attempts with source diagnostics, reports, search, CSV export, and retention controls.