It looks like ImapX's Search() method takes a query string that you have to provide yourself, which means you'll have to do a bit of reading up on the IMAP SEARCH syntax:
https://tools.ietf.org/html/rfc3501#page-49
There are IMAP extensions that provide more SEARCH options as well.
For MailKit, I ended up implementing a SearchQuery class that helps construct these queries without needing to know the IMAP SEARCH syntax. Maybe something like that could be added to ImapX.
To use your first set of search criteria as an example:
https://tools.ietf.org/html/rfc3501#page-49
There are IMAP extensions that provide more SEARCH options as well.
For MailKit, I ended up implementing a SearchQuery class that helps construct these queries without needing to know the IMAP SEARCH syntax. Maybe something like that could be added to ImapX.
To use your first set of search criteria as an example:
// let's search for all messages received between 2015-01-01 and 2015-01-31
var query = SearchQuery.DeliveredAfter (DateTime.Parse ("2015-01-01"))
.And (SearchQuery.DeliveredBefore (DateTime.Parse ("2015-01-31")));
foreach (var uid in inbox.Search (query)) {
var message = inbox.GetMessage (uid);
Console.WriteLine ("[match] {0}: {1}", uid, message.Subject);
}// let's do the same search, but this time sort them in reverse arrival order
var orderBy = new [] { OrderBy.ReverseArrival };
foreach (var uid in inbox.Search (query, orderBy)) {
var message = inbox.GetMessage (uid);
Console.WriteLine ("[match] {0}: {1}", uid, message.Subject);
}
// you'll notice that the orderBy argument is an array... this is because you
// can actually sort the search results based on multiple columns:
orderBy = new [] { OrderBy.ReverseArrival, OrderBy.Subject };
foreach (var uid in inbox.Search (query, orderBy)) {
var message = inbox.GetMessage (uid);
Console.WriteLine ("[match] {0}: {1}", uid, message.Subject);
}