Authentification failed - The input is not a valid Base-64 string as it contains a non-base 64 character....". Help!

I am receiving errors when sending emails that read “The input is not a valid Base-64 string as it contains a non-base 64 character…”. I have had this for the past couple of days now and it requires me to go into Diagnostics to fix the issue. Help!

Hi Thom,
could you take a screenshot of this error message? Also, after the error message pops up, check the third tab in the same window titled ‘Log’ and copy its content here, please.

Regards,
Olivia

11:07:44 AM Online state: changed to online due to NetworkAvailability
11:07:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:07:44 AM[email protected] [GData]  Synchronizing folder list
11:07:44 AM [email protected] [GData]  Synchronizing folder list
11:07:45 AM [email protected] [GData]  Synchronizing folder list
11:07:45 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:07:45 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:07:45 AM [email protected] [GData]  Synchronizing folder list
11:07:45 AM [email protected] [GData]  Synchronizing folder list
11:07:45 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:07:45 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:07:45 AM [email protected] [GData]  Synchronizing folder list
11:07:45 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:07:45 AM [email protected] [IMAP]  Synchronizing messages: For folder [email protected]/Inbox
11:07:45 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:07:45 AM [email protected] [IMAP]  Synchronizing messages: Done
11:07:45 AM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
11:17:43 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:17:43 AM[email protected] [GData]  Synchronizing folder list
11:17:43 AM [email protected] [POP3]  Connecting: To [email protected]
11:17:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:17:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:17:44 AM [email protected] [GData]  Synchronizing folder list
11:17:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:17:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:17:44 AM [email protected] [POP3]  Connected: To [email protected]
11:17:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:17:44 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:17:44 AM [email protected] [POP3]  Downloading messages: From [email protected]
11:17:45 AM [email protected] [POP3]  Disconnected: From[email protected]
11:17:45 AM [email protected] [POP3]  Disconnected: Done
11:27:43 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:27:43 AM[email protected] [GData]  Synchronizing folder list
11:27:43 AM [email protected] [POP3]  Connecting: To [email protected]
11:27:44 AM [email protected] [GData]  Synchronizing folder list
11:27:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:27:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:27:44 AM [email protected] [POP3]  Connected: To [email protected]
11:27:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:27:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:27:44 AM [email protected] [GData]  Synchronizing folder list
11:27:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:27:44 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:27:44 AM [email protected] [POP3]  Downloading messages: From [email protected]
11:27:44 AM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
11:27:44 AM [email protected] [POP3]  Disconnected: From [email protected]
11:27:44 AM [email protected] [POP3]  Disconnected: Done
11:37:43 AM [email protected][POP3]  Connecting: To [email protected]
11:37:43 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:37:43 AM[email protected] [GData]  Synchronizing folder list
11:37:44 AM [email protected] [GData]  Synchronizing folder list
11:37:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:37:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:37:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:37:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:37:44 AM [email protected] [POP3]  Connected: To [email protected]
11:37:44 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:37:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:37:44 AM [email protected] [POP3]  Downloading messages: From [email protected]
11:37:46 AM [email protected] [POP3]  Disconnected: From[email protected]
11:37:46 AM [email protected] [POP3]  Disconnected: Done
11:47:43 AM [email protected][POP3]  Connecting: To [email protected]
11:47:43 AM [email protected] [GData]  Synchronizing folder list
11:47:43 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:47:44 AM[email protected] [IMAP]  Synchronizing subfolders: Done
11:47:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:47:44 AM [email protected] [GData]  Synchronizing folder list
11:47:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:47:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:47:44 AM [email protected] [POP3]  Connected: To [email protected]
11:47:44 AM [email protected] [GData]  Synchronizing folder list
11:47:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:47:44 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:47:44 AM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
11:47:44 AM [email protected] [POP3]  Downloading messages: From [email protected]
11:47:48 AM [email protected] [POP3]  Disconnected: From[email protected]
11:47:48 AM [email protected] [POP3]  Disconnected: Done
11:57:43 AM [email protected][POP3]  Connecting: To [email protected]
11:57:43 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
11:57:44 AM[email protected] [IMAP]  Synchronizing subfolders: Done
11:57:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
11:57:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:57:44 AM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
11:57:44 AM [email protected] [GData]  Synchronizing folder list
11:57:44 AM [email protected] [POP3]  Connected: To [email protected]
11:57:44 AM [email protected] [IMAP]  Synchronizing subfolders: Done
11:57:44 AM [email protected] [GData]  Synchronizing folder list
11:57:44 AM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
11:57:44 AM [email protected] [POP3]  Downloading messages: From [email protected]
11:57:44 AM [email protected] [POP3]  Disconnected: From[email protected]
11:57:44 AM [email protected] [POP3]  Disconnected: Done
12:07:13 PM Online state: changed to offline due to NetworkAvailability
12:07:15 PM Online state: changed to online due to NetworkAvailability
12:07:15 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:07:16 PM[email protected] [GData]  Synchronizing folder list
12:07:16 PM [email protected] [GData]  Synchronizing folder list
12:07:16 PM [email protected] [GData]  Synchronizing folder list
12:07:16 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:16 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:07:17 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:17 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:07:17 PM [email protected] [GData]  Synchronizing folder list
12:07:17 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:17 PM [email protected] [IMAP]  Synchronizing messages: For folder [email protected]/Inbox
12:07:17 PM [email protected] [GData]  Synchronizing folder list
12:07:17 PM [email protected] [IMAP]  Synchronizing messages: Done
12:07:17 PM [email protected] [GData]  Synchronizing folder list
12:07:17 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:07:17 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
12:07:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:07:43 PM[email protected] [POP3]  Connecting: To[email protected]
12:07:43 PM [email protected] [GData]  Synchronizing folder list
12:07:44 PM [email protected] [GData]  Synchronizing folder list
12:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:07:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:07:44 PM [email protected] [POP3]  Connected: To [email protected]
12:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:07:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:07:44 PM [email protected] [POP3]  Disconnected: From[email protected]
12:07:44 PM [email protected] [POP3]  Disconnected: Done
12:17:43 PM [email protected][POP3]  Connecting: To [email protected]
12:17:43 PM [email protected] [GData]  Synchronizing folder list
12:17:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:17:44 PM[email protected] [IMAP]  Synchronizing subfolders: Done
12:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:17:44 PM [email protected] [GData]  Synchronizing folder list
12:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:17:44 PM [email protected] [POP3]  Connected: To [email protected]
12:17:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:17:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:17:45 PM [email protected] [POP3]  Disconnected: From[email protected]
12:17:45 PM [email protected] [POP3]  Disconnected: Done
12:27:43 PM [email protected][POP3]  Connecting: To [email protected]
12:27:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:27:43 PM[email protected] [GData]  Synchronizing folder list
12:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:27:44 PM [email protected] [GData]  Synchronizing folder list
12:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:27:44 PM [email protected] [POP3]  Connected: To [email protected]
12:27:44 PM [email protected] [GData]  Synchronizing folder list
12:27:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:27:44 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
12:27:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:27:46 PM [email protected] [POP3]  Disconnected: From[email protected]
12:27:46 PM [email protected] [POP3]  Disconnected: Done
12:36:34 PM [email protected][SMTP]  Connecting: To [email protected]
12:36:34 PM [email protected] [SMTP]  Connected: To [email protected]
12:36:34 PM [email protected] [SMTP]  Sending messages
12:36:35 PM [email protected][SMTP]  Disconnected: From [email protected]
12:36:35 PM [email protected] [SMTP]  Disconnected: Done
12:37:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:37:43 PM[email protected] [POP3]  Connecting: To[email protected]
12:37:43 PM [email protected] [GData]  Synchronizing folder list
12:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:37:44 PM [email protected] [POP3]  Connected: To [email protected]
12:37:44 PM [email protected] [GData]  Synchronizing folder list
12:37:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:37:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:37:45 PM [email protected] [POP3]  Disconnected: From[email protected]
12:37:45 PM [email protected] [POP3]  Disconnected: Done
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:47:44 PM[email protected] [POP3]  Connecting: To[email protected]
12:47:44 PM [email protected] [GData]  Synchronizing folder list
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:47:44 PM [email protected] [GData]  Synchronizing folder list
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:47:44 PM [email protected] [POP3]  Connected: To [email protected]
12:47:44 PM [email protected] [GData]  Synchronizing folder list
12:47:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:47:44 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
12:47:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:47:44 PM [email protected] [POP3]  Disconnected: From[email protected]
12:47:44 PM [email protected] [POP3]  Disconnected: Done
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
12:57:44 PM[email protected] [POP3]  Connecting: To[email protected]
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
12:57:44 PM [email protected] [GData]  Synchronizing folder list
12:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
12:57:44 PM [email protected] [POP3]  Connected: To [email protected]
12:57:44 PM [email protected] [GData]  Synchronizing folder list
12:57:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
12:57:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
12:57:45 PM [email protected] [POP3]  Disconnected: From[email protected]
12:57:45 PM [email protected] [POP3]  Disconnected: Done
1:02:19 PM [email protected][SMTP]  Connecting: To [email protected]
1:02:20 PM [email protected] [SMTP]  Connected: To [email protected]
1:02:20 PM [email protected] [SMTP]  Sending messages
1:02:21 PM [email protected][SMTP]  Disconnected: From [email protected]
1:02:21 PM [email protected] [SMTP]  Disconnected: Done
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:07:44 PM[email protected] [POP3]  Connecting: To[email protected]
1:07:44 PM [email protected] [GData]  Synchronizing folder list
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:07:44 PM [email protected] [GData]  Synchronizing folder list
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:07:44 PM [email protected] [POP3]  Connected: To [email protected]
1:07:44 PM [email protected] [GData]  Synchronizing folder list
1:07:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:07:44 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
1:07:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:07:46 PM [email protected] [POP3]  Disconnected: From[email protected]
1:07:46 PM [email protected] [POP3]  Disconnected: Done
1:16:26 PM [email protected][SMTP]  Connecting: To [email protected]
1:16:26 PM [email protected] [SMTP]  Connected: To [email protected]
1:16:26 PM [email protected] [SMTP]  Sending messages
1:16:27 PM [email protected][SMTP]  Disconnected: From [email protected]
1:16:27 PM [email protected] [SMTP]  Disconnected: Done
1:17:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:17:43 PM[email protected] [POP3]  Connecting: To[email protected]
1:17:43 PM [email protected] [GData]  Synchronizing folder list
1:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:17:44 PM [email protected] [GData]  Synchronizing folder list
1:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:17:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:17:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:17:44 PM [email protected] [POP3]  Connected: To [email protected]
1:17:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:17:45 PM [email protected] [POP3]  Disconnected: From[email protected]
1:17:45 PM [email protected] [POP3]  Disconnected: Done
1:20:14 PM [email protected][SMTP]  Connecting: To [email protected]
1:20:14 PM [email protected] [SMTP]  Connected: To [email protected]
1:20:14 PM [email protected] [SMTP]  Sending messages
1:20:15 PM [email protected][SMTP]  Disconnected: From [email protected]
1:20:15 PM [email protected] [SMTP]  Disconnected: Done
1:27:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:27:43 PM[email protected] [POP3]  Connecting: To[email protected]
1:27:43 PM [email protected] [GData]  Synchronizing folder list
1:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:27:44 PM [email protected] [GData]  Synchronizing folder list
1:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:27:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:27:44 PM [email protected] [POP3]  Connected: To [email protected]
1:27:44 PM [email protected] [GData]  Synchronizing folder list
1:27:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:27:44 PM [email protected] [POP3]  Disconnected: From[email protected]
1:27:44 PM [email protected] [POP3]  Disconnected: Done
1:27:45 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:27:45 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
1:37:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:37:43 PM[email protected] [POP3]  Connecting: To[email protected]
1:37:43 PM [email protected] [GData]  Synchronizing folder list
1:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:37:44 PM [email protected] [GData]  Synchronizing folder list
1:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:37:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:37:44 PM [email protected] [POP3]  Connected: To [email protected]
1:37:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:37:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:37:44 PM [email protected] [POP3]  Disconnected: From[email protected]
1:37:44 PM [email protected] [POP3]  Disconnected: Done
1:47:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:47:43 PM[email protected] [POP3]  Connecting: To[email protected]
1:47:43 PM [email protected] [GData]  Synchronizing folder list
1:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:47:44 PM [email protected] [GData]  Synchronizing folder list
1:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:47:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:47:44 PM [email protected] [POP3]  Connected: To [email protected]
1:47:44 PM [email protected] [GData]  Synchronizing folder list
1:47:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:47:44 PM [email protected] [GData]  Synchronizing folder [email protected]/[email protected]/’
1:47:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:47:44 PM [email protected] [POP3]  Disconnected: From[email protected]
1:47:44 PM [email protected] [POP3]  Disconnected: Done
1:57:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
1:57:43 PM[email protected] [POP3]  Connecting: To[email protected]
1:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
1:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [[email protected]/Gmail]
1:57:44 PM [email protected] [GData]  Synchronizing folder list
1:57:44 PM [email protected] [POP3]  Connected: To [email protected]
1:57:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
1:57:44 PM [email protected] [GData]  Synchronizing folder list
1:57:44 PM [email protected] [GData]  Synchronizing folder [email protected]/Contacts/’
1:57:44 PM [email protected] [POP3]  Downloading messages: From [email protected]
1:57:46 PM [email protected] [POP3]  Disconnected: From[email protected]
1:57:46 PM [email protected] [POP3]  Disconnected: Done
2:07:43 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/
2:07:43 PM[email protected] [POP3]  Connecting: To[email protected]
2:07:43 PM [email protected] [GData]  Synchronizing folder list
2:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
2:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: For folder [email protected]/Inbox
2:07:44 PM [email protected] [GData]  Synchronizing folder list
2:07:44 PM [email protected] [IMAP]  Synchronizing subfolders: Done
2:07:44 PM

Olivia, here is the information you requested. I am still having the issue as described. Thanks.

Hi Thom,
seems there is a problem with your SMTP server authentication.
Could you please turn on SMTP logging for your affected account in Tools>Settings>Advanced?
Restart eM Client after this and when this error pops up again, go to the advanced setting again and click Send logs.
Change the recipient of the message to [email protected] and add link to this forum topic in the message body so I can get back to you.

Regards,
Olivia

I get the same error and had to go back to Outlook