Releases

Data sources, named properly

Grezzio distributes Overture data, and since 7.9.1 it ships a prepared copy of the place index. Neither release said where that data came from or on what terms. The program now carries the full licence texts, and the required OpenStreetMap notice appears at the foot of the search screen. The two themes sit under different licences, which is set out on the data sources page.

A warning when a second mailbox shares a domain

Reputation is measured per domain. Two mailboxes on one domain are one reputation loaded twice, and a blocklisting stops both at once. The program says so when you add the second one. It warns; it does not block.

The place index ships with the program

Until now the index was fetched on first use of each country. Measured, that cost 13 seconds for the Netherlands, 77 for Poland, 88 for Germany — and 68 seconds for all 53 markets at once, because the boundary dataset is not split by country and the filter reads the whole file regardless. Fetching one country was the worst possible arrangement. It is now built once, in advance: 329,266 places, offline, instant.

A query that stopped finishing

Place suggestions remove duplicates. The old query ran a full scan of the country for every matching row, which was tolerable at 29,000 Polish places and never finished at 329,000. Rewritten as a window function: the worst measured case is now 42 milliseconds.

Index updates without a new release

The program checks this site once a day, compares the release number and downloads only when it differs. The file is verified by checksum and inspected before it may replace a working one.

Less program, same capability

A release entirely of removals. Dead machinery left behind by a withdrawn feature came out of the server, and the Sending tab went from 20 visible fields to 16, with four moved into an advanced section rather than deleted.

A fault dating back to 7.7

The window caught errors while reading a reply but not while making the connection. Killing the program left the window looking normal and quietly frozen. Now the connection is reported honestly.

Find businesses

The largest addition in the program's history. Grezzio reads the open Overture Maps dataset directly and builds lists from it: pick a place, pick trades, and filter to companies that actually publish an e-mail address. No scraper, no API bill.

Address verification before sending

Syntax, throwaway domains, whether a domain resolves and whether it accepts mail at all — checked before an address ever costs you a bounce.

Warm-up, budget and a bounce guard

A new mailbox ramps 10, 20, 30, 40, 50 per day. A daily budget holds the line per mailbox. If the bounce rate crosses the threshold over a meaningful sample, the campaign pauses by itself.