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Forums > General Discussion Forums > ArGoSoft Mail Server .NET Edition
Error: "Object cannot be cast from DBNull to other types"
Last Post 12 May 2009 09:28 PM by Flea. 2 Replies.
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sicnezzUser is Offline
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Posts:52

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17 Apr 2009 04:09 AM  
hi,

since i upgraded from pro to .net i'm getting this error: Object cannot be cast from DBNull to other types

this only seems to happen when mailing from one local account to another local one.
what could it be?

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11 May 2009 11:28 PM  
It seems like alot of people are getting this error, I get it with local accounts but the message still goes through sometimes and sometimes it doesn't. We also seem to be getting this error from hotmail and gmail accounts. Any suggestions on what to try would be great.
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12 May 2009 09:28 PM  

ok finally fixed the problem, had to rebuild each and every user. No more 550 error, give that a try and let us know if it worked. I am using the latest version argosoft mail server .net

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News from ArGoSoftMinimize
1 2 3 4 5 6

Mail Server v1.0.8.3
  • Added support of STARTTLS (STLS) command for SMTP, POP3, IMAP, and SMTP relay and delivery, which will allow secure, fully encrypted connections, when possible;
11/6/2011 1:10:34 PM
Mail Server v1.0.8.2
  • Optimized delivery speed. In earlier versions each "tick" which was checking whether messages were in the outbox queue, was picking up only one message at a time. Now it will attempt to pick MaximumAllowedThreads-ActiveDelivery threads messages, which should considerably increase deliver speed;
  • Optimized SEARCH and STATUS IMAP commands. They appear to be used very extensively by Android, and (not that extensively, but still) by iPhone. Now users who use mobile phones to access their IMAP accounts will see considerable improvement;
  • Optimized STORE IMAP command. Before storing of IMAP flags was occuring one message at a time, which seemed to be fine with SQL server, but proved to be slow for SQLite... Now it happens with single SQL call.
10/8/2011 7:59:35 PM
ArGoSoft Mail Server v1.0.8.1
  • Fixed a bug: when using IMAP via Firefox with "When I delete a message, move it to Trash folder" option, marking messages in the trash folder was causing high CPU usage, and was taking some time, making the server pretty much non-responsive. The problem was happening only when using SQLite.
6/6/2011 9:33:36 PM
ArGoSoft Mail Server v1.0.8.0
  • Fixed a problem with web interface - was showing only first page of messages, and would not switch to other pages; In order to fix the web interface, mail server itself has to be updated;
  • When installint initially, was still using SQLite, even when SQL was requested;
  • There was a problem with switching from SQLite database engine to SQL server database engine: the SQL database was not being created;
5/23/2011 5:53:55 PM
ArGoSoft Mail Server .NET v1.0.7.9
  • The server no longer requires Microsoft SQL Server. If SQL server is not found, it will use SQLite engine, which does not require separate installation. If SQL server is found, then user will be prompted whether he wants to use it;
  • Made other improvements, such as, now mailbox rebuild indexes orphaned records, rather then deleting them, also added an opotion to increment UIDL validity of folder (both on the Mailbox viewer box);
  • Made minor improvements on web interface;
4/26/2011 9:47:25 PM

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