In order to help you, please post here your Thunderbird Troubleshooting Information:

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Hi, Mr. Johnson, I have no error message to post. The problem is that when I got to my email I am getting my email and my husband, the same thing happen when he go into he email, he get my email and his. This started happening as of yesterday. I check all the setting and everything looks ok. is there something I can do to solve this? I have two identity one with my name and the other with my husband. When I log into thurnderbird it gives me an window were I click on my name and it takes me to my email.

Thanks for you help............Arelis

I didn't ask for error information, though I would if there was an error.

I asked for the Thunderbird Troubleshooting Information. Please re-read my instructions for how to provide that info.

I asked for it so I can see it's section for "Mail and News Accounts". It has information about the accounts set up in Thunderbird, like their server settings (but no personal information).

I think that your problem may be that while you and your husband have separate e-mail addresses, both e-mail addresses are putting their messages in the same e-mail account.

This are my email setting

 Application Basics

   Name: Thunderbird
   Version: 45.7.0
   User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0
   Profile Folder: Show Folder

             (Local drive)
   Application Build ID: 20170124052806
   Enabled Plugins: about:plugins
   Build Configuration: about:buildconfig
   Memory Use: about:memory

 Mail and News Accounts
   account1:
     INCOMING: account1, , (pop3) mail.comcast.net:995, SSL, passwordCleartext
     OUTGOING: , smtp.comcast.net:587, alwaysSTARTTLS, passwordCleartext, true

   account2:
     INCOMING: account2, , (none) Local Folders, plain, passwordCleartext

 Crash Reports

 Extensions
   ImportExportTools, 3.2.4.1, true, {3ed8cc52-86fc-4613-9026-c1ef969da4c3}

 Important Modified Preferences

   Name: Value

     browser.cache.disk.capacity: 358400
     browser.cache.disk.filesystem_reported: 1
     browser.cache.disk.smart_size_cached_value: 358400
     browser.cache.disk.smart_size.first_run: false
     browser.cache.disk.smart_size.use_old_max: false
     dom.apps.reset-permissions: true
     extensions.lastAppVersion: 45.7.0
     font.name.monospace.el: Consolas
     font.name.monospace.tr: Consolas
     font.name.monospace.x-baltic: Consolas
         font.name.sans-serif.x-cyrillic: Calibri
     font.name.sans-serif.x-unicode: Calibri
     font.name.sans-serif.x-western: Calibri
     font.name.serif.el: Cambria
     font.name.serif.tr: Cambria
     font.name.serif.x-baltic: Cambria
     font.name.serif.x-central-euro: Cambria
     font.name.serif.x-cyrillic: Cambria
     font.name.serif.x-unicode: Cambria
     font.name.serif.x-western: Cambria
     font.size.fixed.el: 14
     font.size.fixed.tr: 14
     font.size.fixed.x-baltic: 14
     font.size.fixed.x-central-euro: 14
     font.size.fixed.x-cyrillic: 14
     font.size.fixed.x-unicode: 14
     font.size.fixed.x-western: 14
     font.size.variable.el: 17
     font.size.variable.tr: 17
     font.size.variable.x-baltic: 17
     font.size.variable.x-central-euro: 17
     font.size.variable.x-cyrillic: 17
     font.size.variable.x-unicode: 17
     font.size.variable.x-western: 17
     gfx.direct3d.last_used_feature_level_idx: 0
     mail.openMessageBehavior.version: 1
     mail.winsearch.firstRunDone: true
     mailnews.database.global.datastore.id: a57e6a35-3cfd-4842-9cff-1cc21334254
     network.cookie.prefsMigrated: true
     network.predictor.cleaned-up: true
     places.database.lastMaintenance: 1485397085
     places.history.expiration.transient_current_max_pages: 104858
     plugin.importedState: true
     print.printer_Brother_MFC-L2700DW_series.print_bgcolor: false
     print.printer_Brother_MFC-L2700DW_series.print_bgimages: false
     print.printer_Brother_MFC-L2700DW_series.print_colorspace:
     print.printer_Brother_MFC-L2700DW_series.print_command:
     print.printer_Brother_MFC-L2700DW_series.print_downloadfonts: false
     print.printer_Brother_MFC-L2700DW_series.print_duplex: -437918235
     print.printer_Brother_MFC-L2700DW_series.print_edge_bottom: 0
     print.printer_Brother_MFC-L2700DW_series.print_edge_left: 0
     print.printer_Brother_MFC-L2700DW_series.print_edge_right: 0
     print.printer_Brother_MFC-L2700DW_series.print_edge_top: 0
     print.printer_Brother_MFC-L2700DW_series.print_evenpages: true
     print.printer_Brother_MFC-L2700DW_series.print_footercenter:
     print.printer_Brother_MFC-L2700DW_series.print_footerleft: &PT
     print.printer_Brother_MFC-L2700DW_series.print_footerright: &D
     print.printer_Brother_MFC-L2700DW_series.print_headercenter:
     print.printer_Brother_MFC-L2700DW_series.print_headerleft: &T
     print.printer_Brother_MFC-L2700DW_series.print_headerright: &U
     print.printer_Brother_MFC-L2700DW_series.print_in_color: true
     print.printer_Brother_MFC-L2700DW_series.print_margin_bottom: 0.5
     print.printer_Brother_MFC-L2700DW_series.print_margin_left: 0.5
     print.printer_Brother_MFC-L2700DW_series.print_margin_right: 0.5
     print.printer_Brother_MFC-L2700DW_series.print_margin_top: 0.5
     print.printer_Brother_MFC-L2700DW_series.print_oddpages: true
     print.printer_Brother_MFC-L2700DW_series.print_orientation: 0
     print.printer_Brother_MFC-L2700DW_series.print_page_delay: 50
     print.printer_Brother_MFC-L2700DW_series.print_paper_data: 1
     print.printer_Brother_MFC-L2700DW_series.print_paper_height: 11.00
     print.printer_Brother_MFC-L2700DW_series.print_paper_name:
     print.printer_Brother_MFC-L2700DW_series.print_paper_size_type: 0
     print.printer_Brother_MFC-L2700DW_series.print_paper_size_unit: 0
     print.printer_Brother_MFC-L2700DW_series.print_paper_width: 8.50
     print.printer_Brother_MFC-L2700DW_series.print_plex_name:
     print.printer_Brother_MFC-L2700DW_series.print_resolution: -437918235
     print.printer_Brother_MFC-L2700DW_series.print_resolution_name:
     print.printer_Brother_MFC-L2700DW_series.print_reversed: false
     print.printer_Brother_MFC-L2700DW_series.print_scaling: 1.00
     print.printer_Brother_MFC-L2700DW_series.print_shrink_to_fit: true
     print.printer_Brother_MFC-L2700DW_series.print_to_file: false
     print.printer_Brother_MFC-L2700DW_series.print_unwriteable_margin_bottom: 0
     print.printer_Brother_MFC-L2700DW_series.print_unwriteable_margin_left: 0
     print.printer_Brother_MFC-L2700DW_series.print_unwriteable_margin_right: 0
     print.printer_Brother_MFC-L2700DW_series.print_unwriteable_margin_top: 0

 Graphics

     Adapter Description: NVIDIA GeForce GTX 970
     Vendor ID: 0x10de
     Device ID: 0x13c2
     Adapter RAM: 4095
     Adapter Drivers: C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvd3dumx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2umx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2umx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2umx C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvd3dum,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2um,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2um,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_7bb3101ce32915cc\nvwgf2um
     Driver Version: 21.21.13.7619
     Driver Date: 12-1-2016
     Direct2D Enabled: false
     DirectWrite Enabled: false (10.0.14393.351)
     ClearType Parameters: ClearType parameters not found
     WebGL Renderer: Google Inc. -- ANGLE (NVIDIA GeForce GTX 970 Direct3D11 vs_5_0 ps_5_0) -- OpenGL ES 2.0 (ANGLE 2.1.0.316930d51ea9)
     GPU Accelerated Windows: 0

     AzureCanvasBackend: skia
     AzureSkiaAccelerated: 0
     AzureFallbackCanvasBackend: cairo
     AzureContentBackend: cairo

 JavaScript

 Incremental GC: 1

 Accessibility

   Activated: 0
   Prevent Accessibility: 0

 Library Versions

     Expected minimum version
     Version in use

     NSPR
     4.12
     4.12

     NSS
     3.21.3 Basic ECC
     3.21.3 Basic ECC

     NSS Util
     3.21.3
     3.21.3

     NSS SSL
     3.21.3 Basic ECC
     3.21.3 Basic ECC

     NSS S/MIME
     3.21.3 Basic ECC
     3.21.3 Basic ECC

 Application Basics

   Name: Thunderbird
   Version: 45.7.0
   User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0
   Profile Folder: Show Folder

             (Local drive)
   Application Build ID: 20170124052806
   Enabled Plugins: about:plugins
   Build Configuration: about:buildconfig
   Memory Use: about:memory

 Mail and News Accounts
   account1:
     INCOMING: account1, , (pop3) mail.comcast.net:995, SSL, passwordCleartext
     OUTGOING: , smtp.comcast.net:587, alwaysSTARTTLS, passwordCleartext, true

   account2:
     INCOMING: account2, , (none) Local Folders, plain, passwordCleartext

 Crash Reports

 Extensions
   ImportExportTools, 3.2.4.1, true, {3ed8cc52-86fc-4613-9026-c1ef969da4c3}

 Important Modified Preferences

   Name: Value

     browser.cache.disk.capacity: 358400
     browser.cache.disk.filesystem_reported: 1
     browser.cache.disk.smart_size_cached_value: 358400
     browser.cache.disk.smart_size.first_run: false
     browser.cache.disk.smart_size.use_old_max: false

I see a single comcast account configured. I must therefore assume that whatever is merging your email address and your husbands email address is happening on the comcast server.

Great, thanks for your help. I will go and check on the Comcast setting. Once again thank you.......................Arelis