About this plugin
WordPress sends a lot of email that nobody thinks about until it stops arriving: password resets, new user notifications, order confirmations, form notifications. By default all of it goes out through the web server’s own mail function, from whatever address the host happens to use. That mail has no sending reputation behind it, and it is the mail most likely to land in spam or be dropped silently.
Meser10 Mailer routes those messages through your Meser 10 account instead, so they leave from a domain with a real sending reputation.
How this differs from a general SMTP plugin
This is a vendor connector, not an SMTP configurator. There is no host, port, encryption or credentials screen, and no list of providers to choose from. It talks to one service over its own JSON API, and the only thing you configure is an API key.
If what you want is to point WordPress at an arbitrary SMTP server, one of the general plugins is the better tool for the job.
Two things follow from that narrow scope. Because the plugin knows exactly what its endpoint can and cannot carry, it never silently drops a message: anything with an attachment, CC or BCC is handed back to WordPress and sent the ordinary way, and the log records which route every message took and why. And it serves a platform used mainly by Hebrew-language sites in Israel, which until now had no connector of its own.
What this plugin sends, and what it deliberately does not
The Meser 10 message endpoint accepts one recipient, a subject, a body, a sender display name and a Reply-To address.
It has no field for attachments, CC or BCC. Rather than quietly dropping them, this plugin hands any message using them straight back to WordPress, which sends it exactly as it would have without the plugin. Nothing is lost, and the email log records which route every message took and why.
The sending address is the one attached to your Meser 10 account. A From header set by your site can change the sender’s display name, but not the address – that is the point of routing mail here.
Requires an account
The plugin is a connector. It does nothing without a Meser 10 account and an API key. Nothing else needs to be arranged in advance – it works with an existing account as it is.
One thing worth knowing: a standard Meser 10 account adds campaign chrome to the messages it sends – a view-in-browser link, an unsubscribe footer and a “sent via Meser” line. That is right for a newsletter, and some sites would rather not have it on a password reset. It is an account-level setting on Meser 10’s side, so ask their support if you want it switched off.
External services
com), an Israeli email and SMS marketing platform, and requires an account there.
com, authenticated with a single API key stored as a WordPress option. Nothing is transmitted while routing is switched off or while no API key is saved.
- Meser 10 terms of use: https://www.meser10.co.il/terms/
- Meser 10 privacy policy: https://www.meser10.co.il/privacy/