Re: postfix cleanup process dropping messages

On 07/12/2018 07:36 PM, Viktor Dukhovni wrote: On Thu, Jul 12, 2018 at 07:20:26PM +0530, Ram wrote: My postfix servers remain pretty busy throughout the day getting around 100 - 200 mails / second I have seen that for every 100 k mails around 20 mails disappear from the queue. From

postfix cleanup process dropping messages

My postfix servers remain pretty busy throughout the day getting around 100 - 200 mails / second I have seen that for every 100 k mails around 20 mails disappear from the queue. From maillogs , I can see smtpd accepting the connection , creating a queue-id and then cleanup picking it up. But

Re: Mails stuck in queue until inflow stops

On 04/20/2018 07:39 PM, Wietse Venema wrote: Ram: On 04/20/2018 07:14 PM, Wietse Venema wrote: Ram: I have a very busy postfix server that acts as a relay. It gets mails from an application and then forwards the mails to the delivery servers on local LAN The application can send mails at

Re: Mails stuck in queue until inflow stops

On 04/20/2018 07:14 PM, Wietse Venema wrote: Ram: I have a very busy postfix server that acts as a relay. It gets mails from an application and then forwards the mails to the delivery servers on local LAN The application can send mails at rate of? upto 600 mails per second Postfix has been

Mails stuck in queue until inflow stops

I have a very busy postfix server that acts as a relay. It gets mails from an application and then forwards the mails to the delivery servers on local LAN The application can send mails at rate of  upto 600 mails per second Postfix has been configured to accept mails all that quickly, but the

Email client ignores end-of-data REJECT

I am using a custom policy daemon to reject some messages which do not match the policies of the company. This is usually to do with some content checks in subject or body. The problem is even if the message is given a REJECT, The email client (Thunderbird ) does not throw up any error For

Bounce message with original subject

I have a postfix gateway that relays mails for various senders and for some mails it generates NDR's when the mail is not deliverable Can I configure postfix to bounce the message and retain the original subject with the current message Something like Undelivered Mail:

Re: Use relayhost and also DNS based routing

On Wednesday 04 May 2016 12:43 PM, Viktor Dukhovni wrote: On Wed, May 04, 2016 at 11:39:48AM +0530, Ram wrote: I have a postfix relay server that sends all mails to a relayhost. Problem is that some domains , whose MX is all same, are not accepting mails from that relayhost for now. Until

Use relayhost and also DNS based routing

a different network. I dont have a list of all such domains , only the MX host is known Can there be any such configuration in postfix Thanks Ram

keeping off brute force password attempts

I am seeing a surge in the number of password attempts both at my postfix smtp servers as well as imap servers These attacks seem to be targetted since the attempts are made at correct userids At one instance I have seen mails being sent impersonating a valid sender asking for money to be tran

Re: add a recipient in a policy daemon

On 09/11/2015 08:01 PM, Wietse Venema wrote: Ram: How can I add a bcc recipient using a policy daemon I have written a custom policy daemon , and the logic requires that for some conditions the mail needs to be bcc'ed to a program Can this be done ? Postfix 3.0 and later:

add a recipient in a policy daemon

How can I add a bcc recipient using a policy daemon I have written a custom policy daemon , and the logic requires that for some conditions the mail needs to be bcc'ed to a program Can this be done ? Thanks Ram

Re: Is the development of Milters still encouraged

On 06/25/2015 06:31 PM, Viktor Dukhovni wrote: On Thu, Jun 25, 2015 at 02:07:37PM +0530, Ram wrote: I see that milter.org has been shut down. A commercial decision by the new owners of Sendmail. This does not remove support for the milter API from Postfix. Now I am wondering if milters

Is the development of Milters still encouraged

the other options in postfix, Thanks Ram

Re: Issues using Postfix behind a load balancer

client machine on postfix, not the load balancer IP Thanks Ram

Re: Smtp auth from a hash or cdb file

On 12/19/2014 03:16 PM, li...@rhsoft.net wrote: Am 19.12.2014 um 08:53 schrieb Ram: Can I use postfix smtpauth with a hash or cdb file sasldb2 file is unfriendly , because that requires command line to add / modify. I want to have this fully automated using a UI no - cyrus SASL is just a

Smtp auth from a hash or cdb file

realtime Thanks Ram

Convert all envelope ids to lowercase

Is there a simple way I can configure postfix to convert all Envelope From and To addresses to lowercase, before delivery I believe postfix internally converts all ids to-lowercase while doing hash map lookups I need this because that will save all unnecessary tolower() function calls in all r

Re: Use a different smtp_bind_address for fallback

On 07/09/2013 05:33 PM, Wietse Venema wrote: Ram: On 07/09/2013 04:24 PM, Wietse Venema wrote: Ram: Today I use in master.cf smtp unix - - n - - smtp -o smtp_bind_address=X.X.X.X -o fallback_relay=newhost But I have a requirement that the

Re: Use a different smtp_bind_address for fallback

On 07/09/2013 04:24 PM, Wietse Venema wrote: Ram: Today I use in master.cf smtp unix - - n - - smtp -o smtp_bind_address=X.X.X.X -o fallback_relay=newhost But I have a requirement that the fallback mails should be sent via a different

Use a different smtp_bind_address for fallback

Thanks Ram

multiple auth methods for smtpd

Is it possible to use 2 different methods of authentication on smtpd based on userids Some users authentication against ldap , some authenticate against say a database

How to quarantine a mail at milter

mail will get quarantined ? I am not getting any samples of this Thanks Ram

Multiple owners in smtpd_sender_login_maps

I have a requirement of 2 different users using the same sender email address I found a very old patch for doing this in postfix. http://permalink.gmane.org/gmane.mail.postfix.devel/4 Is this patch still the only way of doing multiple owners Thanks Ram

Realtime log reporting when postfix delivers mails

seems to have some memory leak and it brings down the machine. I guess realtime logging should be a very common requirement. What is the best way for this Thanks Ram

250 Data Dropped

sender receives a bounce or the sender gets the message!!! Can some one please assist me on how to go about and resolve this issue Thanks & Regards Ram

Re: Send mails use the same source IP across multiple servers

On 12/15/2012 08:48 PM, Wietse Venema wrote: Ram: Hi I have a slightly OT question If I have to use a single IP for a sender domain to the internet, but yet the mails may get sent from different servers What is the best way for doing it The requirement is because the volumes are too large

Send mails use the same source IP across multiple servers

wants to send the mails using a dedicated IP Thanks Ram

Block ip address on ratelimit

imits is not really helping because ultimately the mail will go through after the anvil time. Since the legitimate users are extremely low email users , I can safely block "anyone" permanently who sends more than 1 mail in 10s with zero FP's How can I do this ? Thanks Ram

Re: postfix dimensioning

and 24 gb of ram, do you think it is enough ? Usually postfix would not be the bottleneck for any mail server. You need to size for dovecot in your case. And sizing would be impossible unless you know how many mails / hr or concurrent imap / pop connections you are going to get. Please size yo

Re: Specify alternate delivery for expired mails

On 10/29/2012 06:54 PM, Wietse Venema wrote: Ram: On 10/29/2012 05:28 PM, Wietse Venema wrote: Ram: I want to redirect all mails that expire after maximal_queue_lifetime to a program that will parse these mails then send an appropriate error Can I do this with postfix ? That is not

Re: Specify alternate delivery for expired mails

On 10/29/2012 05:28 PM, Wietse Venema wrote: Ram: I want to redirect all mails that expire after maximal_queue_lifetime to a program that will parse these mails then send an appropriate error Can I do this with postfix ? That is not documented, therefore that is not implemented. Postfix uses

Specify alternate delivery for expired mails

I want to redirect all mails that expire after maximal_queue_lifetime to a program that will parse these mails then send an appropriate error Can I do this with postfix ? Thanks Ram

Re: Catch-all problem

On 10/04/2012 04:30 PM, DN Singh wrote: Hello group, I want to implement a catch-all address on my system. This is a very simple setup where the users are system users. Hence, the unrouted mail should go to user bounce. After searching documentation I implemented virtual_alias_maps. But, all

Envelope headers in always_bcc

uot;e/nvelope journaling/" offered by exchange This was probably discussed here long back .. http://tech.groups.yahoo.com/group/postfix-users/message/286167 Is there any workaround available now ? Thanks Ram

Re: Non-Postfix mailbox store: separate domains, non-UNIX accounts

ver put in /etc/postfix/transport example.com smtp:[secondmx.example.com] That should help Thanks Ram PS: If I got your problem wrong , I am sorry , Perhaps you should try explaining your problem better .. :-)

Milter socket can only be inside /var/spool/postfix ?

I have a custom milter in C ( for email archiving ) which works fine on my servers with postfix 2.8+. ( RHEL 5.5 ) When I tried to install the milter on a ubuntu box with postfix 2.7 , unless I create the socket inside spool directory for eg. /var/spool/postfix/$path/milter.sock Postfix does

Re: turn off mailer daemon returns

You can enable soft bounce. So NDR mails will be pending in the queue But I am not sure really want to do this. Why should you not notify senders of delivery failures ? What is the real problem you want to solve ? On 06/01/2012 12:36 PM, Wael MANAI wrote: Any idea? Le jeudi 31 mai 2012 à

Gmail servers not accepting mails

-in.l.google.com[173.194.79.27] timed out while sending RCPT TO I think I will have to reduce the backoff time in postfix , so that postfix does not "learn" that gmail is not accepting mails Thanks Ram

postfix9.2 patch for changing the dot response

helpful if someone got it working on postfix 2.9 Thanks Ram

Re: spam to postmaster

On Fri, 2012-02-17 at 15:49 -0600, /dev/rob0 wrote: > On Fri, Feb 17, 2012 at 03:59:22PM -0500, Peter Blair wrote: > > On Fri, Feb 17, 2012 at 3:54 PM, Reindl Harald > > wrote: > > > how do other people act with such braindead sh**t? > > > > Look into greylisting it. You'll find that greylistin

Re: I want to route all email to a second server.

mple.com]:24 3) Rewrite the recipient address before sending using lmtp_generic_maps For eg @cyrus.example.com @example.com That should work AFAIK , please test it before you implement though :-) Thanks Ram PS: You seem to have historic reasons for sending to cyrus , infact it should b

Re: What wrong with my postfix

On 02/09/2012 01:19 PM, kshitij mali wrote: Hi sir, I use postfix2.5.5 rpm to run postfix as relay server since from last many day my application team of SAP software started complaining for the smtp email failuer pls find the below longs +

rfc822 regex

already Thanks Ram

Redirect all bounces to a particular id

Can I configure my postfix server to send all bounces to a single mailbox , instead of the sender of the mail

Re: Is there a RHSBL for "parked domains"?

On 10/13/2011 02:37 AM, Ralf Hildebrandt wrote: * Noel Jones: You might be able to do something with check_recipient_mx_access. Mostly, these domains have no MX, but only an A record. But yes, I havne'T yet checked if they all resolve to but a few IPs Since all the non existing domains are

NDR should show orig-to

I have a cluster of mailservers , so when a mail arrives it is sent to the actual recipient by using virtual alias maps How can I configure postfix to send NDR's like quota bounces with the original recipient address and not the expanded alias Thanks Ram

Re: BCC in access type

On 10/01/2011 06:43 PM, Wietse Venema wrote: Ram: According to access Manpage http://www.postfix.org/access.5.html The BCC option for a access lookup is not supported. When will support for BCC be added ? According to the HISTORY file: 20070405 Feature: BCC access/policy

BCC in access type

According to access Manpage http://www.postfix.org/access.5.html The BCC option for a access lookup is not supported. When will support for BCC be added ? Thanks Ram

Re: reject_unknown_client_hostname: move into the junk folder instead of rejecting the e-mail

On 09/28/2011 04:20 PM, Niccolò Belli wrote: Hi, I'd like to use reject_unknown_client_hostname, unfortunately there are just too much misconfigured servers to whitelist them all :( I do not want to just use reject_unknown_reverse_client_hostname instead, I'd like to mark e-mails which fail re

Re: Write a mail directly to postfix queue

l core CPU, 8GB RAM, and a ~100GB SSD. Rewrite the app to submit via SMTP. The actual outbound is indeed a relay farm of outgoing mail servers behind LVS. The application server is just a generation box. And that is where the bottleneck is. An application change is anyway required, But wh

Re: Write a mail directly to postfix queue

On 08/19/2011 07:50 PM, Reindl Harald wrote: Am 19.08.2011 16:05, schrieb Ram: I dont want to make smtpd connections in the app because that slows down the app significantly and also this is a serialized process. So sending mails serially slows down the general delivery it is a bad design

Re: Write a mail directly to postfix queue

On 08/19/2011 07:59 PM, Wietse Venema wrote: Ram: One customer of ours wants to send research reports to all his partners "instantly" after the data is available. Why not put the report on a website and send the partners email with a hyperlink? The partners want them mailed

Write a mail directly to postfix queue

n the app significantly , and also this is a serialized process. So sending mails serially slows down the general delivery Thanks Ram

Immediately bounce mails stuck to typosquatted domains

typosquatted ( tahoo.com etc ) all go to the same ip addresses, usually to some "park" server , which does not accept mails at all. Can I configure postfix such a way that if mail is sent to these ip addresses , then bounce immediately. Or if the DNS is ns1.sedoparking.com etc Thanks Ram

default_rbl_reply to silently discard mails

Hi, How can I configure postfix to silently discard mails from ips listed in a DNS blacklist default_rbl_reply=DISCARD does not work ( Obviously I made this up .. that was not documented anywhere :-) ) Thanks Ram

Sample milter with gmime

Sorry for being OT here ;-) I am writing a milter that will insert custom attachments into mails sent depending on the recipient and insert some text too Is there are sample milter that I can build upon Thanks Ram

Re: Delivery rate drops soon after restart

On 03/17/2011 10:11 PM, Victor Duchovni wrote: On Thu, Mar 17, 2011 at 11:04:31AM -0400, Wietse Venema wrote: Ram: I have a postfix (2.7) server where as soon as I restart the mails are moved rapidly from incoming queue to active But soon ( after 5 minutes ) the queue manager is left

Delivery rate drops soon after restart

://www.postfix.org/QSHAPE_README.html#incoming_queue .. I have increased in_flow_delay to 10s But that does not help. I wonder what happens when I restart postfix that the queue clearing is so fast for the first 5 minutes or so Thanks Ram

Re: smtp_header_checks WARN chops long subjects while logging

On 01/07/2011 06:25 PM, Wietse Venema wrote: Ram: I am using postfix smtp_header_checks to log subjects of mails I have enabled WARN inside smtp_header_checks But If I send a mail with a long subject then the subject gets chopped at some length (approx 50 chars ) Postfix truncates EVERYTHING

smtp_header_checks WARN chops long subjects while logging

77; T1.28; A2.04; B3.07_01; Q3.07) > Subject: This is a long subject of mail from ram to test if smtp_header_checks is working fine for 1 > Message-Id: > To: r...@netcore.co.in > Date: Fri, 07 Jan 2011 17:40:01 +0530 > From: r...@netcore.co.in > > This is a Test Mail &g

Re: mailq command

, look in your maillog. (grep for sender or recipient if you like ) If the mail was received mail may be sent, bounced , discarded or may be still in the queue. Anyway the entry will give you a clue. Thanks Ram

Re: client dependant relay

On Mon, 2010-09-06 at 14:22 +0300, Mihamina Rakotomandimby wrote: > Manao ahoana, Hello, Bonjour, > > I would like to setup a specific relay host to some client IP address. > How to? > I already saw sender_dependent_relayhost_maps but it's "per > sender", not per client IP. > I think you ca

Re: Postfix with AD and Exchange

On Sat, 2010-09-04 at 14:28 +0530, Ashwin Muni wrote: > Thanks Ram > > But all my 1000 users are in AD and only few of them need to have > mailboxes on exchange, how shall i bifurcate 250 users in exchange and > rest 750 users in postfix. > > Again the idea of fetching vali

Re: Postfix with AD and Exchange

ch_us...@domain.tld smtp:[exchange.server.ip] ... .. domain.tld lmtp:/path * Just make sure the unknown users are rejected at the smtpd level before the mail enters inside. Thanks Ram > Any help appreciated. > > -- > Ashwin Muni > http://www.linuxmaza.com > Linux Tutorials and Howtos

transport_maps overrides sender_dependent_default_transport_maps

I have set up sender dependent transport_maps different clients to use different outgoing ips >From the document at http://www.postfix.org/postconf.5.html#sender_dependent_default_transport_maps The transport_maps overrides sender_dependent_default_transport_maps What I need to do is revers

smtp defer messages on smtp-auth error

configure my postfix to defer mails if authentication fails , rather then bouncing them. For any other rejection , obviously, the mail has to be bounced back. Thanks Ram

build custom milter with milter_protocol=6

n with protocol=6. Is there any benefit for using protocol=6, how can I measure the impact of using a lower protocol. Thanks Ram

Re: Speed up queue injection

On Sun, 2010-08-15 at 17:35 +0200, J. Roeleveld wrote: > On Friday 13 August 2010 19:58:38 Noel Jones wrote: > > On 8/13/2010 8:22 AM, J. Roeleveld wrote: > > > On Friday 13 August 2010 14:23:51 Wietse Venema wrote: > > >> Ralf Hildebrandt: > > >>> * R

Re: Speed up queue injection

Hi , On Fri, 2010-08-13 at 09:39 +0200, Ralf Hildebrandt wrote: > * Ram : > > We have a requirement to send some research analysis mails as quickly as > > possible. > > > > > > > > Everyday after the data is available my app generates the mails in eml

Speed up queue injection

x maildrop. Thanks Ram

Re: Postfix queue on ramdisk: Insufficient system storage

On Thu, 2010-07-22 at 04:50 -0500, Stan Hoeppner wrote: > Patrick Ben Koetter put forth on 7/22/2010 2:11 AM: > > * Stan Hoeppner : > >> Wietse Venema put forth on 7/21/2010 2:22 PM: > >>> Ram: > >>>> One server of ours just accepts the mails from clie

Re: What is the proper way to deal with non-existing e-mail addresses?

rate any NDR's Postfix has various methods by which you can achieve that. You may start with these http://www.postfix.org/LOCAL_RECIPIENT_README.html http://www.postfix.org/ADDRESS_VERIFICATION_README.html Thanks Ram

Postfix queue on ramdisk: Insufficient system storage

free all the time. The ramdisk seems to work great. But sporadically some smtp clients are getting an error "Insufficient system storage" When will this happen ? Does postfix find not enough space on the ramdisk ? How can I find when this occurs ? Thanks Ram

OT: Check out my photos on Facebook

Now this is the problem of all invites, especially those invites that scrape my addressbook and invite everyone. Should not all invites carry some header or any other identification , that list management software can automatically detect and /dev/null the mails Thanks Ram

RHSBL bcc_maps on rcpt-to for outbound spam checks

may not be that perfect :-) ) I thought of using recipient_bcc_maps but having huge recipient_bcc_maps files on all my servers does not seem a good idea. Anyway most of these map entries will *never* get used in normal times. Thanks Ram

Re: email account bombarded with SPAM error bounces - what to do?

On Sat, 2010-07-10 at 14:15 +0200, Administrator Beckspaced.com wrote: > > On 7/9/2010 16:13, Administrator Beckspaced.com wrote: > > > > > > On 7/9/2010 14:40, Ram wrote: > >> On Fri, 2010-07-09 at 13:35 +0200, Administrator Beckspaced.com wrote: > >>&g

Re: email account bombarded with SPAM error bounces - what to do?

t NDR's from them at least. I guess , spammers ( the more intelligent ones ... I mean ) too would be less inclined to forge a domain that uses sender authentication Because that will reduce the deliverability of their spams Thanks Ram

Re: Postfix.org SPF

On Sun, 2010-07-04 at 23:39 -0700, junkyardma...@verizon.net wrote: > Very aware spammers can create their own domains and and SPF records. They > can do essentially the same thing with any anti spam measures. And I have > see a number of them do just that, an SPF record of entire IPv4 address

Large incoming queues

On my central postfix server I do typically 100k mail transactions per hour. Postfix 2.7 on a Dual Quadcore Xeon 4 GB Ram RHEL5 box. Sometimes this happens that mails move very slowly from incoming queue to the active queue. I think I got the basic hygiene right: This server has absolutely

Ratelimit on sender id

processes on the machine I tried blocking the from id and the spam-bot changes the id in the very next hour Is there a way I can auto ratelimi mails on from-id Thanks Ram

DIsable connects to ldap

53:04 mmail postfix/smtpd[23565]: nss_ldap: reconnecting to LDAP server (sleeping 8 seconds)... Jun 4 14:53:12 mmail postfix/smtpd[23565]: nss_ldap: reconnected to LDAP server ldap://XX after 3 attempts How do I configure postfix , not to connect to ldap at all. Thanks Ram

Re: lmtp_generic_maps for delivery to dovecot

complex things this should be pretty simple. Thanks Ram

Re: lmtp_generic_maps for delivery to dovecot

On Mon, 2010-05-10 at 10:15 -0500, Noel Jones wrote: > On 5/10/2010 8:33 AM, ram wrote: > > Can I use somthing like lmtp_generic_maps for delivery to dovecot > > > > Your question is incomplete. > What are you trying to accomplish? How does postfix deliver > to do

lmtp_generic_maps for delivery to dovecot

Can I use somthing like lmtp_generic_maps for delivery to dovecot Thanks Ram

Re: DKIM checking but not signing with Postfix?

in and use the DKIM_* rules. Default SA has them configured If you use some other antispam , see how it supports DKIM checks Thanks Ram

Re: Stopping spammers extreme

On Tue, 2010-05-04 at 12:29 +0300, Appliantologist wrote: > Hi guys, > > I still need to accept mail for the email addresses we host on our > machine from the net, so blocking port 25 or mynetworks as local host > would seem to prevent that. we still have users on the domain that > get mail to t

Re: same mailboxname in both virtual alias maps && virtual mailbox maps to create a forward ?

k of this : In my virtual mailbox maps i put > w...@myexample.com and in my virtual alias maps i put 2 entries : > w...@myexample.com -> w...@myexample.com and w...@myexample.com -> > some...@googlemail.com. > I guess you need recipient_bcc_maps http://www.postfix.org/postconf.5.html#recipient_bcc_maps Thanks Ram

Re: DKIM-milter only for outgoing

I'm not sure how these are appropriate, but this setting > > smtpd_milters only for submission and work for me fine in normal > > operation. > > > > -- > > Tomo. > > > > Thanks Tomo. > > With submission I nedd to use port 587 (no?), but I want to use on 25 > port, can I? > AFAIK In dkim milter you can specify domains for whom you dont want to sign Put your domains in there Thanks Ram

Re: Many IP address outgoing messages

e to patch postfix ( until Wietse releases this feature ) Thanks Ram

Re: Protection against stolen credentials?

On Wed, 2010-04-14 at 21:15 +0200, Ignacio García wrote: > Hi there. Some days ago 1 of our postfix servers was abused by bot > networks using one of our customer's stolen credentials, inadvertently > done by a virus/keylogger probably. In few hours more than 2 spam > messages were in our

RE: Avoiding "User unknown in recipient table" during reload

On Tue, 2010-04-13 at 17:45 -0700, Gary Smith wrote: > > The script just does: > > > > * Copy in new relay_recipients file > > * postmap relay_recipients > > * postfix reload > > > > Is there a better way to do this? Should I stop postfix completely during > > this time? Will putting the que

Re: building Postfix 2.7 from source Help!

On Sun, 2010-04-11 at 19:51 -0400, john wrote: > i am attempting to build Postfix from the source rpms, I think I have > worked out how to set the various parameters to get the options I want. > except I don't see how to make this a x86_64 install. > What am i missing? > JLA > On a redhat li

Re: ratelimiting locally originating messages

e to the second "delivery" instance of postfix. You could use different rates for different senders too based on the envelope-from address Thanks Ram

Re: email to yahoo stuck in queue

ell your clients not to use an yahoo id. Thanks Ram

Re: Bounces resulting from forwarded Mails

dont have a virus ( Email virus is almost a non-issue now a days ) Are all the forwarded mails getting rejected , or only a few I suspect the recipient server is doing an SPF check. So you wont be able to forward unless you change the envelope. Thanks Ram

Re: Selective alias depending on FROM?

sive ?? ) mail application Envelope sender-id to a different sender-id. All mail servers would send the bounce messages to the Envelope sender id Thanks Ram

Re: Relaying to SPF protected server

eem to understand "we have no plans to change at this time". SPF if not the only reason why you would need SRS. We provide SMTP relay for various mail servers. I want to make sure that every customer uses only his domain(s) and sends the mail. Important to implement proper usage repor

Best way to implement SRS

y to do it Thanks Ram

Re: smtpd-policyd feature.

On Wed, 2010-03-31 at 09:03 +0530, an...@isac.gov.in wrote: > Dear List, > > We are using the smtpd-policyd feature from long time to allow some > specific users to receive higher size mails. It is working fine. > But, it does not work when the recipient_count is more than one as we > are

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