SleekView Charts for Post SMTP Pro: provider charts
SleekView queries the postman_smtp_log custom post type the Post SMTP Pro extension already enriches with mailer metadata, so charts of provider mix, sender accounts, failure rate, and daily volume render directly from wp_posts and wp_postmeta.
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Post SMTP logs more than most teams realize
Post SMTP already writes every send to wp_posts as a postman_smtp_log entry. The Pro extension layers on additional wp_postmeta keys like the resolved mailer name, the sender from address, an HTTP status code, and a delivery transcript so the team has the full picture if a message bounces. The free plugin also stores a global success-fail counter in wp_options for the homepage widget.
None of that becomes a dashboard on its own. The plugin renders the standard WP list table for logs and a small chart widget on the Post SMTP dashboard page, both with limited grouping. SleekView reads the same posts and the same meta keys without an export step, surfacing per-mailer counts, per-status splits, and time-series volume in real Tremor charts.
For sites running Post SMTP Pro across two or three mailers, typically Gmail SMTP for staff mail plus Brevo or SendGrid for transactional, this gives you a single dashboard that shows the mailer mix, top failing mailers, sender account distribution, and daily send volume, sourced entirely from logs Post SMTP writes for free into the WordPress database you already manage.
Workflow
Turn the Post SMTP log into a dashboard
Aim at postman_smtp_log
Pull in the Pro-only meta keys
Decide success or volume
Mount on the SMTP dashboard
Sample dashboard
Four Post SMTP charts that actually answer questions
Successful sends this week
Count
Mailer mix across all sends
Count
group by _eml_mailer
Top sender from addresses
Count
group by _eml_from
Failures over time
Count
group by post_date_gmt
Comparison
Default Post SMTP admin vs SleekView
Default Post SMTP log table
- Post SMTP shows only a basic list, with limited filtering by status
- No native breakdown by mailer for sites using multiple SMTP providers
- Top sender from address requires manual export and a spreadsheet pivot
- Failure trend over time is invisible from the default WP admin views
- Dashboards cannot be restricted to a non-admin support role without code
SleekView Charts
-
Reads the same
postman_smtp_logthe Pro extension already enriches -
Groups by
_eml_mailerto chart Gmail, Brevo, SendGrid mix -
Filters on
_eml_statusfor success or failed counts - Combines log charts with WooCommerce order charts on one dashboard
- Granular role permissions for support, marketing, and ops separately
Features
What SleekView Charts gives you for Post SMTP Pro extension
Multi-mailer awareness
Post SMTP Pro routes mail through whichever mailer you configure first and falls back to a backup if delivery fails. SleekView's mailer pie chart shows exactly when the fallback kicked in, sourced from the _eml_mailer postmeta key Pro writes on every log row.
Drill in without SQL
Filter a chart to _eml_status equals failed plus _eml_mailer equals SendGrid plus post_date_gmt within the last 24 hours to investigate a single incident. The chart configuration UI exposes every meta key the plugin uses so no guesswork is required.
Audit-ready exports
Every Post SMTP chart in SleekView exposes a CSV export of the underlying log rows. Provide compliance with a daily download of failed sends for the past 90 days, including subject, sender, and recipient meta, without granting raw database access.
Audience
Where Post SMTP teams use SleekView
Support deflection
Customer says the welcome email never arrived. Support filters the failure area chart by recipient email and sees the log row, the mailer, the failure reason, all without opening a database client or a paid Post SMTP add-on.
Mailer migrations
Moving from Gmail SMTP to Brevo for transactional? The mailer donut shows the rollover in real time. Within minutes of the new config saving, the Brevo slice grows and the Gmail slice shrinks, confirming the switch worked at the log level.
Quarterly deliverability review
Ops uses the area chart of daily volume to validate that send counts match site activity quarter over quarter. Sudden plateaus surface dropped cron jobs or rate-limit issues that the default WP admin would never have shown.
The bigger picture
Why Post SMTP teams need real charts
Post SMTP is one of the most installed SMTP plugins on WordPress, and the Pro extension makes it powerful enough to be the entire deliverability stack for a small site. The data it logs is rich: mailer, status, sender, recipient, transcript, all written into standard WordPress storage. The missing layer is the dashboard.
Most teams discover deliverability problems from a customer complaint, not from the WP admin, because the default log view does not aggregate. SleekView fixes that without asking Post SMTP to do anything different. It reads the same postman_smtp_log post type, joins the same meta keys, and surfaces a four-chart dashboard that answers the questions teams already ask in Slack each week.
Mailer mix, sender mix, failure trend, daily volume. Add a WooCommerce order count to the same dashboard and you have a deliverability picture that scales with the business, all sourced from the database WordPress already manages.
Questions
Common questions about SleekView Charts for Post SMTP Pro extension
The base postman_smtp_log custom post type and _eml_status meta exist in the free Post SMTP plugin too, so basic volume and success-fail charts work without Pro. The mailer breakdown chart specifically reads the _eml_mailer key that Pro writes, so multi-mailer charts benefit most from having Pro active.
No. SleekView leverages WordPress object cache and meta_key indexes, so queries on postman_smtp_log stay fast even at 100,000 entries. Cache TTLs are configurable per chart, so high-traffic dashboards stay responsive while low-traffic admin charts can be refreshed on demand.
Yes. Each postman_smtp_log row is linked through wp_postmeta to its _eml_mailer value. SleekView surfaces that as a group-by field, so you can chart sends by mailer or, in a CSV export, see the resolved mailer for every individual email in any time range.
No. SleekView is read-only against wp_posts and wp_postmeta. It builds dashboards on top of data Post SMTP writes but never deletes, edits, or rewrites a log row. You can safely uninstall SleekView at any point and the underlying logs remain untouched.
Partially. The _postman_session_transcript meta holds the SMTP transcript including error codes. SleekView can filter on substrings of that field, so you can build a chart of failures containing 550 5.1.1 or another diagnostic code, though the transcript is unindexed and slower than meta-key joins.
Yes. SleekView dashboards scope per site by default, so each subsite charts its own postman_smtp_log. A network admin can also build a network-level dashboard that aggregates across subsites, though that requires a small wpdb prefix configuration step at chart creation time.
Post SMTP Pro ships a small chart widget on the plugin dashboard page, but it covers only success-fail volume for a fixed window. SleekView lets you pick the table, the group-by column, the aggregation, the date range, and the chart type. The dashboard is also reusable across other data sources.
Yes. Filter a chart by _eml_from equals support@example.com and the dashboard will only show rows from that sender. Pair the chart with a role restriction so the support team sees their own send volume without seeing transactional traffic from other addresses.
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