[patch] Fix for returning NULL values in SQL dict lookups

Hi, I noticed a bug doing dict lookups on an SQLite database which had NULL values in its columns; a segmentation fault occurred, probably due to a null pointer dereference in str_tabescape. The problem is that sqlite3_column_text returns a null pointer for column values which are (SQL) NULL. I

[patch] Fix for bug in TLS/SSL for LMTP with chained certificates

Hi, In case of tl;dr: I fixed a bug in TLS support for LMTP which caused chained certificates not to work, and another one which caused certificate read errors to be ignored; the patches are attached to this email. While testing LMTP with TLS and certificate verification by Postfix I discovere